510 lines
14 KiB
LLVM
510 lines
14 KiB
LLVM
; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
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; RUN: llc < %s -mcpu=generic -mtriple=i686-unknown-unknown | FileCheck %s --check-prefix=X32
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; RUN: llc < %s -mcpu=generic -mtriple=x86_64-linux | FileCheck %s --check-prefixes=X64,X64-LINUX
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; RUN: llc < %s -mcpu=generic -mtriple=x86_64-win32 | FileCheck %s --check-prefixes=X64,X64-WIN32
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declare {i32, i1} @llvm.sadd.with.overflow.i32(i32, i32)
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declare {i32, i1} @llvm.uadd.with.overflow.i32(i32, i32)
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; The immediate can be encoded in a smaller way if the
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; instruction is a sub instead of an add.
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define i32 @test1(i32 inreg %a) nounwind {
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; X32-LABEL: test1:
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; X32: # %bb.0: # %entry
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; X32-NEXT: subl $-128, %eax
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; X32-NEXT: retl
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;
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; X64-LINUX-LABEL: test1:
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; X64-LINUX: # %bb.0: # %entry
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; X64-LINUX-NEXT: movl %edi, %eax
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; X64-LINUX-NEXT: subl $-128, %eax
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; X64-LINUX-NEXT: retq
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;
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; X64-WIN32-LABEL: test1:
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; X64-WIN32: # %bb.0: # %entry
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; X64-WIN32-NEXT: movl %ecx, %eax
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; X64-WIN32-NEXT: subl $-128, %eax
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; X64-WIN32-NEXT: retq
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entry:
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%b = add i32 %a, 128
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ret i32 %b
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}
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define i64 @test2(i64 inreg %a) nounwind {
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; X32-LABEL: test2:
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; X32: # %bb.0: # %entry
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; X32-NEXT: addl $-2147483648, %eax # imm = 0x80000000
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; X32-NEXT: adcl $0, %edx
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; X32-NEXT: retl
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;
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; X64-LINUX-LABEL: test2:
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; X64-LINUX: # %bb.0: # %entry
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; X64-LINUX-NEXT: movq %rdi, %rax
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; X64-LINUX-NEXT: subq $-2147483648, %rax # imm = 0x80000000
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; X64-LINUX-NEXT: retq
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;
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; X64-WIN32-LABEL: test2:
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; X64-WIN32: # %bb.0: # %entry
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; X64-WIN32-NEXT: movq %rcx, %rax
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; X64-WIN32-NEXT: subq $-2147483648, %rax # imm = 0x80000000
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; X64-WIN32-NEXT: retq
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entry:
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%b = add i64 %a, 2147483648
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ret i64 %b
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}
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define i64 @test3(i64 inreg %a) nounwind {
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; X32-LABEL: test3:
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; X32: # %bb.0: # %entry
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; X32-NEXT: addl $128, %eax
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; X32-NEXT: adcl $0, %edx
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; X32-NEXT: retl
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;
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; X64-LINUX-LABEL: test3:
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; X64-LINUX: # %bb.0: # %entry
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; X64-LINUX-NEXT: movq %rdi, %rax
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; X64-LINUX-NEXT: subq $-128, %rax
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; X64-LINUX-NEXT: retq
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;
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; X64-WIN32-LABEL: test3:
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; X64-WIN32: # %bb.0: # %entry
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; X64-WIN32-NEXT: movq %rcx, %rax
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; X64-WIN32-NEXT: subq $-128, %rax
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; X64-WIN32-NEXT: retq
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entry:
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%b = add i64 %a, 128
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ret i64 %b
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}
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define i1 @test4(i32 %v1, i32 %v2, i32* %X) nounwind {
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; X32-LABEL: test4:
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; X32: # %bb.0: # %entry
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; X32-NEXT: movl {{[0-9]+}}(%esp), %eax
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; X32-NEXT: addl {{[0-9]+}}(%esp), %eax
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; X32-NEXT: jo .LBB3_2
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; X32-NEXT: # %bb.1: # %normal
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; X32-NEXT: movl {{[0-9]+}}(%esp), %eax
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; X32-NEXT: movl $0, (%eax)
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; X32-NEXT: .LBB3_2: # %overflow
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; X32-NEXT: xorl %eax, %eax
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; X32-NEXT: retl
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;
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; X64-LINUX-LABEL: test4:
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; X64-LINUX: # %bb.0: # %entry
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; X64-LINUX-NEXT: addl %esi, %edi
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; X64-LINUX-NEXT: jo .LBB3_2
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; X64-LINUX-NEXT: # %bb.1: # %normal
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; X64-LINUX-NEXT: movl $0, (%rdx)
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; X64-LINUX-NEXT: .LBB3_2: # %overflow
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; X64-LINUX-NEXT: xorl %eax, %eax
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; X64-LINUX-NEXT: retq
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;
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; X64-WIN32-LABEL: test4:
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; X64-WIN32: # %bb.0: # %entry
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; X64-WIN32-NEXT: addl %edx, %ecx
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; X64-WIN32-NEXT: jo .LBB3_2
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; X64-WIN32-NEXT: # %bb.1: # %normal
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; X64-WIN32-NEXT: movl $0, (%r8)
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; X64-WIN32-NEXT: .LBB3_2: # %overflow
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; X64-WIN32-NEXT: xorl %eax, %eax
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; X64-WIN32-NEXT: retq
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entry:
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%t = call {i32, i1} @llvm.sadd.with.overflow.i32(i32 %v1, i32 %v2)
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%sum = extractvalue {i32, i1} %t, 0
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%obit = extractvalue {i32, i1} %t, 1
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br i1 %obit, label %overflow, label %normal
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normal:
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store i32 0, i32* %X
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br label %overflow
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overflow:
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ret i1 false
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}
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define i1 @test5(i32 %v1, i32 %v2, i32* %X) nounwind {
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; X32-LABEL: test5:
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; X32: # %bb.0: # %entry
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; X32-NEXT: movl {{[0-9]+}}(%esp), %eax
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; X32-NEXT: addl {{[0-9]+}}(%esp), %eax
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; X32-NEXT: jb .LBB4_2
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; X32-NEXT: # %bb.1: # %normal
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; X32-NEXT: movl {{[0-9]+}}(%esp), %eax
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; X32-NEXT: movl $0, (%eax)
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; X32-NEXT: .LBB4_2: # %carry
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; X32-NEXT: xorl %eax, %eax
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; X32-NEXT: retl
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;
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; X64-LINUX-LABEL: test5:
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; X64-LINUX: # %bb.0: # %entry
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; X64-LINUX-NEXT: addl %esi, %edi
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; X64-LINUX-NEXT: jb .LBB4_2
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; X64-LINUX-NEXT: # %bb.1: # %normal
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; X64-LINUX-NEXT: movl $0, (%rdx)
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; X64-LINUX-NEXT: .LBB4_2: # %carry
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; X64-LINUX-NEXT: xorl %eax, %eax
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; X64-LINUX-NEXT: retq
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;
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; X64-WIN32-LABEL: test5:
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; X64-WIN32: # %bb.0: # %entry
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; X64-WIN32-NEXT: addl %edx, %ecx
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; X64-WIN32-NEXT: jb .LBB4_2
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; X64-WIN32-NEXT: # %bb.1: # %normal
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; X64-WIN32-NEXT: movl $0, (%r8)
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; X64-WIN32-NEXT: .LBB4_2: # %carry
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; X64-WIN32-NEXT: xorl %eax, %eax
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; X64-WIN32-NEXT: retq
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entry:
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%t = call {i32, i1} @llvm.uadd.with.overflow.i32(i32 %v1, i32 %v2)
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%sum = extractvalue {i32, i1} %t, 0
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%obit = extractvalue {i32, i1} %t, 1
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br i1 %obit, label %carry, label %normal
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normal:
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store i32 0, i32* %X
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br label %carry
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carry:
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ret i1 false
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}
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define i64 @test6(i64 %A, i32 %B) nounwind {
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; X32-LABEL: test6:
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; X32: # %bb.0: # %entry
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; X32-NEXT: movl {{[0-9]+}}(%esp), %eax
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; X32-NEXT: movl {{[0-9]+}}(%esp), %edx
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; X32-NEXT: addl {{[0-9]+}}(%esp), %edx
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; X32-NEXT: retl
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;
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; X64-LINUX-LABEL: test6:
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; X64-LINUX: # %bb.0: # %entry
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; X64-LINUX-NEXT: # kill: def $esi killed $esi def $rsi
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; X64-LINUX-NEXT: shlq $32, %rsi
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; X64-LINUX-NEXT: leaq (%rsi,%rdi), %rax
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; X64-LINUX-NEXT: retq
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;
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; X64-WIN32-LABEL: test6:
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; X64-WIN32: # %bb.0: # %entry
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; X64-WIN32-NEXT: # kill: def $edx killed $edx def $rdx
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; X64-WIN32-NEXT: shlq $32, %rdx
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; X64-WIN32-NEXT: leaq (%rdx,%rcx), %rax
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; X64-WIN32-NEXT: retq
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entry:
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%tmp12 = zext i32 %B to i64
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%tmp3 = shl i64 %tmp12, 32
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%tmp5 = add i64 %tmp3, %A
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ret i64 %tmp5
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}
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define {i32, i1} @test7(i32 %v1, i32 %v2) nounwind {
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; X32-LABEL: test7:
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; X32: # %bb.0: # %entry
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; X32-NEXT: movl {{[0-9]+}}(%esp), %eax
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; X32-NEXT: addl {{[0-9]+}}(%esp), %eax
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; X32-NEXT: setb %dl
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; X32-NEXT: retl
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;
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; X64-LINUX-LABEL: test7:
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; X64-LINUX: # %bb.0: # %entry
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; X64-LINUX-NEXT: movl %edi, %eax
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; X64-LINUX-NEXT: addl %esi, %eax
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; X64-LINUX-NEXT: setb %dl
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; X64-LINUX-NEXT: retq
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;
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; X64-WIN32-LABEL: test7:
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; X64-WIN32: # %bb.0: # %entry
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; X64-WIN32-NEXT: movl %ecx, %eax
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; X64-WIN32-NEXT: addl %edx, %eax
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; X64-WIN32-NEXT: setb %dl
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; X64-WIN32-NEXT: retq
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entry:
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%t = call {i32, i1} @llvm.uadd.with.overflow.i32(i32 %v1, i32 %v2)
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ret {i32, i1} %t
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}
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; PR5443
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define {i64, i1} @test8(i64 %left, i64 %right) nounwind {
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; X32-LABEL: test8:
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; X32: # %bb.0: # %entry
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; X32-NEXT: movl {{[0-9]+}}(%esp), %eax
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; X32-NEXT: movl {{[0-9]+}}(%esp), %edx
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; X32-NEXT: addl {{[0-9]+}}(%esp), %eax
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; X32-NEXT: adcl {{[0-9]+}}(%esp), %edx
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; X32-NEXT: setb %cl
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; X32-NEXT: retl
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;
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; X64-LINUX-LABEL: test8:
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; X64-LINUX: # %bb.0: # %entry
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; X64-LINUX-NEXT: movq %rdi, %rax
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; X64-LINUX-NEXT: addq %rsi, %rax
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; X64-LINUX-NEXT: setb %dl
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; X64-LINUX-NEXT: retq
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;
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; X64-WIN32-LABEL: test8:
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; X64-WIN32: # %bb.0: # %entry
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; X64-WIN32-NEXT: movq %rcx, %rax
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; X64-WIN32-NEXT: addq %rdx, %rax
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; X64-WIN32-NEXT: setb %dl
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; X64-WIN32-NEXT: retq
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entry:
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%extleft = zext i64 %left to i65
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%extright = zext i64 %right to i65
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%sum = add i65 %extleft, %extright
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%res.0 = trunc i65 %sum to i64
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%overflow = and i65 %sum, -18446744073709551616
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%res.1 = icmp ne i65 %overflow, 0
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%final0 = insertvalue {i64, i1} undef, i64 %res.0, 0
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%final1 = insertvalue {i64, i1} %final0, i1 %res.1, 1
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ret {i64, i1} %final1
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}
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define i32 @test9(i32 %x, i32 %y) nounwind readnone {
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; X32-LABEL: test9:
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; X32: # %bb.0: # %entry
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; X32-NEXT: movl {{[0-9]+}}(%esp), %eax
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; X32-NEXT: xorl %ecx, %ecx
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; X32-NEXT: cmpl $10, {{[0-9]+}}(%esp)
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; X32-NEXT: sete %cl
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; X32-NEXT: subl %ecx, %eax
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; X32-NEXT: retl
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;
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; X64-LINUX-LABEL: test9:
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; X64-LINUX: # %bb.0: # %entry
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; X64-LINUX-NEXT: movl %esi, %eax
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; X64-LINUX-NEXT: xorl %ecx, %ecx
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; X64-LINUX-NEXT: cmpl $10, %edi
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; X64-LINUX-NEXT: sete %cl
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; X64-LINUX-NEXT: subl %ecx, %eax
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; X64-LINUX-NEXT: retq
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;
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; X64-WIN32-LABEL: test9:
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; X64-WIN32: # %bb.0: # %entry
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; X64-WIN32-NEXT: movl %edx, %eax
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; X64-WIN32-NEXT: xorl %edx, %edx
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; X64-WIN32-NEXT: cmpl $10, %ecx
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; X64-WIN32-NEXT: sete %dl
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; X64-WIN32-NEXT: subl %edx, %eax
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; X64-WIN32-NEXT: retq
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entry:
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%cmp = icmp eq i32 %x, 10
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%sub = sext i1 %cmp to i32
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%cond = add i32 %sub, %y
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ret i32 %cond
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}
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define i1 @test10(i32 %x) nounwind {
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; X32-LABEL: test10:
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; X32: # %bb.0: # %entry
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; X32-NEXT: movl {{[0-9]+}}(%esp), %eax
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; X32-NEXT: incl %eax
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; X32-NEXT: seto %al
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; X32-NEXT: retl
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;
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; X64-LINUX-LABEL: test10:
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; X64-LINUX: # %bb.0: # %entry
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; X64-LINUX-NEXT: incl %edi
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; X64-LINUX-NEXT: seto %al
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; X64-LINUX-NEXT: retq
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;
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; X64-WIN32-LABEL: test10:
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; X64-WIN32: # %bb.0: # %entry
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; X64-WIN32-NEXT: incl %ecx
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; X64-WIN32-NEXT: seto %al
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; X64-WIN32-NEXT: retq
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entry:
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%t = call {i32, i1} @llvm.sadd.with.overflow.i32(i32 %x, i32 1)
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%obit = extractvalue {i32, i1} %t, 1
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ret i1 %obit
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}
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define void @test11(i32* inreg %a) nounwind {
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; X32-LABEL: test11:
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; X32: # %bb.0: # %entry
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; X32-NEXT: subl $-128, (%eax)
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; X32-NEXT: retl
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;
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; X64-LINUX-LABEL: test11:
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; X64-LINUX: # %bb.0: # %entry
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; X64-LINUX-NEXT: subl $-128, (%rdi)
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; X64-LINUX-NEXT: retq
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;
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; X64-WIN32-LABEL: test11:
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; X64-WIN32: # %bb.0: # %entry
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; X64-WIN32-NEXT: subl $-128, (%rcx)
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; X64-WIN32-NEXT: retq
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entry:
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%aa = load i32, i32* %a
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%b = add i32 %aa, 128
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store i32 %b, i32* %a
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ret void
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}
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define void @test12(i64* inreg %a) nounwind {
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; X32-LABEL: test12:
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; X32: # %bb.0: # %entry
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; X32-NEXT: addl $-2147483648, (%eax) # imm = 0x80000000
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; X32-NEXT: adcl $0, 4(%eax)
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; X32-NEXT: retl
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;
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; X64-LINUX-LABEL: test12:
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; X64-LINUX: # %bb.0: # %entry
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; X64-LINUX-NEXT: subq $-2147483648, (%rdi) # imm = 0x80000000
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; X64-LINUX-NEXT: retq
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;
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; X64-WIN32-LABEL: test12:
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; X64-WIN32: # %bb.0: # %entry
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; X64-WIN32-NEXT: subq $-2147483648, (%rcx) # imm = 0x80000000
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; X64-WIN32-NEXT: retq
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entry:
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%aa = load i64, i64* %a
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%b = add i64 %aa, 2147483648
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store i64 %b, i64* %a
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ret void
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}
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define void @test13(i64* inreg %a) nounwind {
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; X32-LABEL: test13:
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; X32: # %bb.0: # %entry
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; X32-NEXT: addl $128, (%eax)
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; X32-NEXT: adcl $0, 4(%eax)
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; X32-NEXT: retl
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;
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; X64-LINUX-LABEL: test13:
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; X64-LINUX: # %bb.0: # %entry
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; X64-LINUX-NEXT: subq $-128, (%rdi)
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; X64-LINUX-NEXT: retq
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;
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; X64-WIN32-LABEL: test13:
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; X64-WIN32: # %bb.0: # %entry
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; X64-WIN32-NEXT: subq $-128, (%rcx)
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; X64-WIN32-NEXT: retq
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entry:
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%aa = load i64, i64* %a
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%b = add i64 %aa, 128
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store i64 %b, i64* %a
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ret void
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}
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define i32 @inc_not(i32 %a) {
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; X32-LABEL: inc_not:
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; X32: # %bb.0:
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; X32-NEXT: xorl %eax, %eax
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; X32-NEXT: subl {{[0-9]+}}(%esp), %eax
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; X32-NEXT: retl
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;
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; X64-LINUX-LABEL: inc_not:
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; X64-LINUX: # %bb.0:
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; X64-LINUX-NEXT: movl %edi, %eax
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; X64-LINUX-NEXT: negl %eax
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; X64-LINUX-NEXT: retq
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;
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; X64-WIN32-LABEL: inc_not:
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; X64-WIN32: # %bb.0:
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; X64-WIN32-NEXT: movl %ecx, %eax
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; X64-WIN32-NEXT: negl %eax
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; X64-WIN32-NEXT: retq
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%nota = xor i32 %a, -1
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|
%r = add i32 %nota, 1
|
|
ret i32 %r
|
|
}
|
|
|
|
define <4 x i32> @inc_not_vec(<4 x i32> %a) nounwind {
|
|
; X32-LABEL: inc_not_vec:
|
|
; X32: # %bb.0:
|
|
; X32-NEXT: pushl %edi
|
|
; X32-NEXT: pushl %esi
|
|
; X32-NEXT: movl {{[0-9]+}}(%esp), %eax
|
|
; X32-NEXT: xorl %ecx, %ecx
|
|
; X32-NEXT: xorl %edx, %edx
|
|
; X32-NEXT: subl {{[0-9]+}}(%esp), %edx
|
|
; X32-NEXT: xorl %esi, %esi
|
|
; X32-NEXT: subl {{[0-9]+}}(%esp), %esi
|
|
; X32-NEXT: xorl %edi, %edi
|
|
; X32-NEXT: subl {{[0-9]+}}(%esp), %edi
|
|
; X32-NEXT: subl {{[0-9]+}}(%esp), %ecx
|
|
; X32-NEXT: movl %ecx, 12(%eax)
|
|
; X32-NEXT: movl %edi, 8(%eax)
|
|
; X32-NEXT: movl %esi, 4(%eax)
|
|
; X32-NEXT: movl %edx, (%eax)
|
|
; X32-NEXT: popl %esi
|
|
; X32-NEXT: popl %edi
|
|
; X32-NEXT: retl $4
|
|
;
|
|
; X64-LINUX-LABEL: inc_not_vec:
|
|
; X64-LINUX: # %bb.0:
|
|
; X64-LINUX-NEXT: pxor %xmm1, %xmm1
|
|
; X64-LINUX-NEXT: psubd %xmm0, %xmm1
|
|
; X64-LINUX-NEXT: movdqa %xmm1, %xmm0
|
|
; X64-LINUX-NEXT: retq
|
|
;
|
|
; X64-WIN32-LABEL: inc_not_vec:
|
|
; X64-WIN32: # %bb.0:
|
|
; X64-WIN32-NEXT: pxor %xmm0, %xmm0
|
|
; X64-WIN32-NEXT: psubd (%rcx), %xmm0
|
|
; X64-WIN32-NEXT: retq
|
|
%nota = xor <4 x i32> %a, <i32 -1, i32 -1, i32 -1, i32 -1>
|
|
%r = add <4 x i32> %nota, <i32 1, i32 1, i32 1, i32 1>
|
|
ret <4 x i32> %r
|
|
}
|
|
|
|
define void @uaddo1_not(i32 %a, i32* %p0, i1* %p1) {
|
|
; X32-LABEL: uaddo1_not:
|
|
; X32: # %bb.0:
|
|
; X32-NEXT: movl {{[0-9]+}}(%esp), %eax
|
|
; X32-NEXT: movl {{[0-9]+}}(%esp), %ecx
|
|
; X32-NEXT: xorl %edx, %edx
|
|
; X32-NEXT: subl {{[0-9]+}}(%esp), %edx
|
|
; X32-NEXT: movl %edx, (%ecx)
|
|
; X32-NEXT: setae (%eax)
|
|
; X32-NEXT: retl
|
|
;
|
|
; X64-LINUX-LABEL: uaddo1_not:
|
|
; X64-LINUX: # %bb.0:
|
|
; X64-LINUX-NEXT: negl %edi
|
|
; X64-LINUX-NEXT: movl %edi, (%rsi)
|
|
; X64-LINUX-NEXT: setae (%rdx)
|
|
; X64-LINUX-NEXT: retq
|
|
;
|
|
; X64-WIN32-LABEL: uaddo1_not:
|
|
; X64-WIN32: # %bb.0:
|
|
; X64-WIN32-NEXT: negl %ecx
|
|
; X64-WIN32-NEXT: movl %ecx, (%rdx)
|
|
; X64-WIN32-NEXT: setae (%r8)
|
|
; X64-WIN32-NEXT: retq
|
|
%nota = xor i32 %a, -1
|
|
%uaddo = call {i32, i1} @llvm.uadd.with.overflow.i32(i32 %nota, i32 1)
|
|
%r0 = extractvalue {i32, i1} %uaddo, 0
|
|
%r1 = extractvalue {i32, i1} %uaddo, 1
|
|
store i32 %r0, i32* %p0
|
|
store i1 %r1, i1* %p1
|
|
ret void
|
|
}
|
|
|
|
define i32 @add_to_sub(i32 %a, i32 %b) {
|
|
; X32-LABEL: add_to_sub:
|
|
; X32: # %bb.0:
|
|
; X32-NEXT: movl {{[0-9]+}}(%esp), %eax
|
|
; X32-NEXT: movl {{[0-9]+}}(%esp), %ecx
|
|
; X32-NEXT: notl %ecx
|
|
; X32-NEXT: leal 1(%ecx,%eax), %eax
|
|
; X32-NEXT: retl
|
|
;
|
|
; X64-LINUX-LABEL: add_to_sub:
|
|
; X64-LINUX: # %bb.0:
|
|
; X64-LINUX-NEXT: # kill: def $esi killed $esi def $rsi
|
|
; X64-LINUX-NEXT: # kill: def $edi killed $edi def $rdi
|
|
; X64-LINUX-NEXT: notl %edi
|
|
; X64-LINUX-NEXT: leal 1(%rdi,%rsi), %eax
|
|
; X64-LINUX-NEXT: retq
|
|
;
|
|
; X64-WIN32-LABEL: add_to_sub:
|
|
; X64-WIN32: # %bb.0:
|
|
; X64-WIN32-NEXT: # kill: def $edx killed $edx def $rdx
|
|
; X64-WIN32-NEXT: # kill: def $ecx killed $ecx def $rcx
|
|
; X64-WIN32-NEXT: notl %ecx
|
|
; X64-WIN32-NEXT: leal 1(%rcx,%rdx), %eax
|
|
; X64-WIN32-NEXT: retq
|
|
%nota = xor i32 %a, -1
|
|
%add = add i32 %nota, %b
|
|
%r = add i32 %add, 1
|
|
ret i32 %r
|
|
}
|