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llvm-project/llvm/test/CodeGen/X86/add-cmov.ll

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; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
; RUN: llc < %s -verify-machineinstrs -mtriple=x86_64-- | FileCheck %s
define i64 @select_consts_i64(i64 %offset, i32 %x) {
; CHECK-LABEL: select_consts_i64:
; CHECK: # %bb.0:
; CHECK-NEXT: leaq 42(%rdi), %rax
; CHECK-NEXT: testl %esi, %esi
; CHECK-NEXT: cmovneq %rdi, %rax
; CHECK-NEXT: retq
%b = icmp eq i32 %x, 0
%s = select i1 %b, i64 42, i64 0
%r = add i64 %s, %offset
ret i64 %r
}
define i64 @select_consts_big_i64(i64 %offset, i32 %x) {
; CHECK-LABEL: select_consts_big_i64:
; CHECK: # %bb.0:
; CHECK-NEXT: movabsq $42000000000, %rax # imm = 0x9C7652400
; CHECK-NEXT: addq %rdi, %rax
; CHECK-NEXT: testl %esi, %esi
; CHECK-NEXT: cmovneq %rdi, %rax
; CHECK-NEXT: retq
%b = icmp eq i32 %x, 0
%s = select i1 %b, i64 42000000000, i64 0
%r = add i64 %s, %offset
ret i64 %r
}
define i32 @select_consts_i32(i32 %offset, i64 %x) {
; CHECK-LABEL: select_consts_i32:
; CHECK: # %bb.0:
; CHECK-NEXT: # kill: def $edi killed $edi def $rdi
; CHECK-NEXT: leal 43(%rdi), %eax
; CHECK-NEXT: cmpq $42, %rsi
; CHECK-NEXT: cmovgel %edi, %eax
; CHECK-NEXT: retq
%b = icmp sgt i64 %x, 41
%s = select i1 %b, i32 0, i32 43
%r = add i32 %offset, %s
ret i32 %r
}
define i16 @select_consts_i16(i16 %offset, i1 %b) {
; CHECK-LABEL: select_consts_i16:
; CHECK: # %bb.0:
; CHECK-NEXT: # kill: def $edi killed $edi def $rdi
; CHECK-NEXT: leal 44(%rdi), %eax
; CHECK-NEXT: testb $1, %sil
; CHECK-NEXT: cmovel %edi, %eax
; CHECK-NEXT: # kill: def $ax killed $ax killed $eax
; CHECK-NEXT: retq
%s = select i1 %b, i16 44, i16 0
%r = add i16 %s, %offset
ret i16 %r
}
define i8 @select_consts_i8(i8 %offset, i1 %b) {
; CHECK-LABEL: select_consts_i8:
; CHECK: # %bb.0:
; CHECK-NEXT: xorl %ecx, %ecx
; CHECK-NEXT: testb $1, %sil
; CHECK-NEXT: movl $45, %eax
; CHECK-NEXT: cmovnel %ecx, %eax
; CHECK-NEXT: addb %dil, %al
; CHECK-NEXT: # kill: def $al killed $al killed $eax
; CHECK-NEXT: retq
%s = select i1 %b, i8 0, i8 45
%r = add i8 %offset, %s
ret i8 %r
}
define i32 @select_consts_use_i32(i32 %offset, i64 %x, i32* %p) {
; CHECK-LABEL: select_consts_use_i32:
; CHECK: # %bb.0:
; CHECK-NEXT: xorl %ecx, %ecx
; CHECK-NEXT: cmpq $42, %rsi
; CHECK-NEXT: movl $43, %eax
; CHECK-NEXT: cmovgel %ecx, %eax
; CHECK-NEXT: movl %eax, (%rdx)
; CHECK-NEXT: addl %edi, %eax
; CHECK-NEXT: retq
%b = icmp sgt i64 %x, 41
%s = select i1 %b, i32 0, i32 43
store i32 %s, i32* %p
%r = add i32 %offset, %s
ret i32 %r
}
; Special-case LEA hacks are done before we try to push the add into a CMOV.
define i32 @select_40_43_i32(i32 %offset, i64 %x) {
; CHECK-LABEL: select_40_43_i32:
; CHECK: # %bb.0:
; CHECK-NEXT: # kill: def $edi killed $edi def $rdi
; CHECK-NEXT: xorl %eax, %eax
; CHECK-NEXT: cmpq $42, %rsi
; CHECK-NEXT: setl %al
; CHECK-NEXT: leal (%rax,%rax,2), %eax
; CHECK-NEXT: leal 40(%rdi,%rax), %eax
; CHECK-NEXT: retq
%b = icmp sgt i64 %x, 41
%s = select i1 %b, i32 40, i32 43
%r = add i32 %offset, %s
ret i32 %r
}
define i32 @select_0_1_i32(i32 %offset, i64 %x) {
; CHECK-LABEL: select_0_1_i32:
; CHECK: # %bb.0:
; CHECK-NEXT: movl %edi, %eax
; CHECK-NEXT: cmpq $42, %rsi
; CHECK-NEXT: adcl $0, %eax
; CHECK-NEXT: retq
%b = icmp ugt i64 %x, 41
%s = select i1 %b, i32 0, i32 1
%r = add i32 %offset, %s
ret i32 %r
}
define i32 @select_1_0_i32(i32 %offset, i64 %x) {
; CHECK-LABEL: select_1_0_i32:
; CHECK: # %bb.0:
; CHECK-NEXT: movl %edi, %eax
; CHECK-NEXT: cmpq $42, %rsi
; CHECK-NEXT: sbbl $-1, %eax
; CHECK-NEXT: retq
%b = icmp ugt i64 %x, 41
%s = select i1 %b, i32 1, i32 0
%r = add i32 %offset, %s
ret i32 %r
}
define i64 @select_max32_2_i64(i64 %offset, i64 %x) {
; CHECK-LABEL: select_max32_2_i64:
; CHECK: # %bb.0:
; CHECK-NEXT: leaq 2(%rdi), %rax
; CHECK-NEXT: addq $2147483647, %rdi # imm = 0x7FFFFFFF
; CHECK-NEXT: cmpq $41, %rsi
; CHECK-NEXT: cmovneq %rdi, %rax
; CHECK-NEXT: retq
%b = icmp ne i64 %x, 41
%s = select i1 %b, i64 2147483647, i64 2
%r = add i64 %offset, %s
ret i64 %r
}
define i64 @select_42_min32_i64(i64 %offset, i1 %b) {
; CHECK-LABEL: select_42_min32_i64:
; CHECK: # %bb.0:
; CHECK-NEXT: testb $1, %sil
; CHECK-NEXT: movl $42, %ecx
; CHECK-NEXT: movl $2147483648, %eax # imm = 0x80000000
; CHECK-NEXT: cmovneq %rcx, %rax
; CHECK-NEXT: addq %rdi, %rax
; CHECK-NEXT: retq
%s = select i1 %b, i64 42, i64 2147483648
%r = add i64 %offset, %s
ret i64 %r
}
define i64 @select_big_42_i64(i64 %offset, i64 %x) {
; CHECK-LABEL: select_big_42_i64:
; CHECK: # %bb.0:
; CHECK-NEXT: cmpq $41, %rsi
; CHECK-NEXT: movl $2147483649, %ecx # imm = 0x80000001
; CHECK-NEXT: movl $42, %eax
; CHECK-NEXT: cmovneq %rcx, %rax
; CHECK-NEXT: addq %rdi, %rax
; CHECK-NEXT: retq
%b = icmp ne i64 %x, 41
%s = select i1 %b, i64 2147483649, i64 42
%r = add i64 %s, %offset
ret i64 %r
}
define i64 @select_n42_big_i64(i64 %offset, i64 %x) {
; CHECK-LABEL: select_n42_big_i64:
; CHECK: # %bb.0:
; CHECK-NEXT: cmpq $41, %rsi
; CHECK-NEXT: movq $-42, %rcx
; CHECK-NEXT: movl $2147483649, %eax # imm = 0x80000001
; CHECK-NEXT: cmovneq %rcx, %rax
; CHECK-NEXT: addq %rdi, %rax
; CHECK-NEXT: retq
%b = icmp ne i64 %x, 41
%s = select i1 %b, i64 -42, i64 2147483649
%r = add i64 %s, %offset
ret i64 %r
}
define i64 @select_big_bigger_i64(i64 %offset, i64 %x) {
; CHECK-LABEL: select_big_bigger_i64:
; CHECK: # %bb.0:
; CHECK-NEXT: cmpq $41, %rsi
; CHECK-NEXT: movl $2147483649, %ecx # imm = 0x80000001
; CHECK-NEXT: movabsq $42000000000, %rax # imm = 0x9C7652400
; CHECK-NEXT: cmovneq %rcx, %rax
; CHECK-NEXT: addq %rdi, %rax
; CHECK-NEXT: retq
%b = icmp ne i64 %x, 41
%s = select i1 %b, i64 2147483649, i64 42000000000
%r = add i64 %s, %offset
ret i64 %r
}
define i32 @select_20_43_i32(i32 %offset, i64 %x) {
; CHECK-LABEL: select_20_43_i32:
; CHECK: # %bb.0:
; CHECK-NEXT: # kill: def $edi killed $edi def $rdi
; CHECK-NEXT: leal 43(%rdi), %eax
; CHECK-NEXT: addl $20, %edi
; CHECK-NEXT: cmpq $42, %rsi
; CHECK-NEXT: cmovgel %edi, %eax
; CHECK-NEXT: retq
%b = icmp sgt i64 %x, 41
%s = select i1 %b, i32 20, i32 43
%r = add i32 %offset, %s
ret i32 %r
}
define i16 @select_n2_17_i16(i16 %offset, i1 %b) {
; CHECK-LABEL: select_n2_17_i16:
; CHECK: # %bb.0:
; CHECK-NEXT: # kill: def $edi killed $edi def $rdi
; CHECK-NEXT: leal 17(%rdi), %eax
; CHECK-NEXT: addl $65534, %edi # imm = 0xFFFE
; CHECK-NEXT: testb $1, %sil
; CHECK-NEXT: cmovnel %edi, %eax
; CHECK-NEXT: # kill: def $ax killed $ax killed $eax
; CHECK-NEXT: retq
%s = select i1 %b, i16 -2, i16 17
%r = add i16 %offset, %s
ret i16 %r
}
%class.btAxis = type { %struct.btBroadphaseProxy.base, [3 x i16], [3 x i16], %struct.btBroadphaseProxy* }
%struct.btBroadphaseProxy.base = type <{ i8*, i16, i16, [4 x i8], i8*, i32, [4 x float], [4 x float] }>
%struct.btBroadphaseProxy = type <{ i8*, i16, i16, [4 x i8], i8*, i32, [4 x float], [4 x float], [4 x i8] }>
define i16* @bullet(i1 %b, %class.btAxis* readnone %ptr, i64 %idx) {
; CHECK-LABEL: bullet:
; CHECK: # %bb.0:
; CHECK-NEXT: leaq (%rdx,%rdx,4), %rax
; CHECK-NEXT: shlq $4, %rax
; CHECK-NEXT: leaq 60(%rsi,%rax), %rcx
; CHECK-NEXT: leaq 66(%rsi,%rax), %rax
; CHECK-NEXT: testb $1, %dil
; CHECK-NEXT: cmovneq %rcx, %rax
; CHECK-NEXT: retq
%gep2 = getelementptr inbounds %class.btAxis, %class.btAxis* %ptr, i64 %idx, i32 2, i64 0
%gep1 = getelementptr inbounds %class.btAxis, %class.btAxis* %ptr, i64 %idx, i32 1, i64 0
%sel = select i1 %b, i16* %gep1, i16* %gep2
ret i16* %sel
}
define i16* @bullet_alt1(i1 %b, i16* readnone %ptr, i64 %idx) {
; CHECK-LABEL: bullet_alt1:
; CHECK: # %bb.0:
; CHECK-NEXT: leaq 60(%rsi), %rax
; CHECK-NEXT: leaq 66(%rsi), %rcx
; CHECK-NEXT: testb $1, %dil
; CHECK-NEXT: cmovneq %rax, %rcx
; CHECK-NEXT: leaq (%rdx,%rdx,4), %rax
; CHECK-NEXT: shlq $4, %rax
; CHECK-NEXT: addq %rcx, %rax
; CHECK-NEXT: retq
%idx40 = mul i64 %idx, 40
%gep2 = getelementptr inbounds i16, i16* %ptr, i64 33
%gep1 = getelementptr inbounds i16, i16* %ptr, i64 30
%sel = select i1 %b, i16* %gep1, i16* %gep2
%gep3 = getelementptr inbounds i16, i16* %sel, i64 %idx40
ret i16* %gep3
}
define void @bullet_load_store(i32 %x, i64 %y, %class.btAxis* %p) {
; CHECK-LABEL: bullet_load_store:
; CHECK: # %bb.0:
; CHECK-NEXT: leaq (%rsi,%rsi,4), %rax
; CHECK-NEXT: shlq $4, %rax
; CHECK-NEXT: leaq 66(%rdx), %rcx
; CHECK-NEXT: addq $60, %rdx
; CHECK-NEXT: testb $1, %dil
; CHECK-NEXT: cmovneq %rcx, %rdx
; CHECK-NEXT: decw (%rdx,%rax)
; CHECK-NEXT: retq
%and = and i32 %x, 1
%b = icmp eq i32 %and, 0
%gep2 = getelementptr inbounds %class.btAxis, %class.btAxis* %p, i64 %y, i32 2, i64 0
%gep1 = getelementptr inbounds %class.btAxis, %class.btAxis* %p, i64 %y, i32 1, i64 0
%sel = select i1 %b, i16* %gep1, i16* %gep2
%ld = load i16, i16* %sel, align 4
%dec = add i16 %ld, -1
store i16 %dec, i16* %sel, align 4
ret void
}
define void @complex_lea_alt1(i1 %b, i16* readnone %ptr, i64 %idx) {
; CHECK-LABEL: complex_lea_alt1:
; CHECK: # %bb.0:
; CHECK-NEXT: leaq 60(%rdx), %rax
; CHECK-NEXT: addq $66, %rdx
; CHECK-NEXT: testb $1, %dil
; CHECK-NEXT: cmovneq %rax, %rdx
; CHECK-NEXT: decw (%rdx,%rsi)
; CHECK-NEXT: retq
%i = ptrtoint i16* %ptr to i64
%sum = add i64 %idx, %i
%base = inttoptr i64 %sum to i16*
%gep2 = getelementptr inbounds i16, i16* %base, i64 33
%gep1 = getelementptr inbounds i16, i16* %base, i64 30
%sel = select i1 %b, i16* %gep1, i16* %gep2
%ld = load i16, i16* %sel, align 4
%dec = add i16 %ld, -1
store i16 %dec, i16* %sel, align 4
ret void
}
define void @complex_lea_alt2(i1 %b, i16* readnone %ptr, i64 %idx) {
; CHECK-LABEL: complex_lea_alt2:
; CHECK: # %bb.0:
; CHECK-NEXT: leaq 60(%rsi), %rax
; CHECK-NEXT: addq $66, %rsi
; CHECK-NEXT: testb $1, %dil
; CHECK-NEXT: cmovneq %rax, %rsi
; CHECK-NEXT: decw (%rsi,%rdx)
; CHECK-NEXT: retq
%i = ptrtoint i16* %ptr to i64
%sum = add i64 %i, %idx
%base = inttoptr i64 %sum to i16*
%gep2 = getelementptr inbounds i16, i16* %base, i64 33
%gep1 = getelementptr inbounds i16, i16* %base, i64 30
%sel = select i1 %b, i16* %gep1, i16* %gep2
%ld = load i16, i16* %sel, align 4
%dec = add i16 %ld, -1
store i16 %dec, i16* %sel, align 4
ret void
}
define void @complex_lea_alt3(i1 %b, i16* readnone %ptr, i64 %idx) {
; CHECK-LABEL: complex_lea_alt3:
; CHECK: # %bb.0:
; CHECK-NEXT: leaq 60(%rsi), %rax
; CHECK-NEXT: addq $66, %rsi
; CHECK-NEXT: testb $1, %dil
; CHECK-NEXT: cmovneq %rax, %rsi
; CHECK-NEXT: decw (%rsi,%rdx)
; CHECK-NEXT: retq
%i = ptrtoint i16* %ptr to i64
%i66 = add i64 %i, 66
%i60 = add i64 %i, 60
%o66 = add i64 %i66, %idx
%o60 = add i64 %i60, %idx
%p66 = inttoptr i64 %o66 to i16*
%p60 = inttoptr i64 %o60 to i16*
%sel = select i1 %b, i16* %p60, i16* %p66
%ld = load i16, i16* %sel, align 4
%dec = add i16 %ld, -1
store i16 %dec, i16* %sel, align 4
ret void
}
define void @complex_lea_alt4(i1 %b, i16* readnone %ptr, i64 %idx) {
; CHECK-LABEL: complex_lea_alt4:
; CHECK: # %bb.0:
; CHECK-NEXT: leaq 60(%rsi), %rax
; CHECK-NEXT: addq $66, %rsi
; CHECK-NEXT: testb $1, %dil
; CHECK-NEXT: cmovneq %rax, %rsi
; CHECK-NEXT: decw (%rdx,%rsi)
; CHECK-NEXT: retq
%i = ptrtoint i16* %ptr to i64
%i66 = add i64 %i, 66
%i60 = add i64 %i, 60
%o66 = add i64 %idx, %i66
%o60 = add i64 %idx, %i60
%p66 = inttoptr i64 %o66 to i16*
%p60 = inttoptr i64 %o60 to i16*
%sel = select i1 %b, i16* %p60, i16* %p66
%ld = load i16, i16* %sel, align 4
%dec = add i16 %ld, -1
store i16 %dec, i16* %sel, align 4
ret void
}
define void @complex_lea_alt5(i1 %b, i16* readnone %ptr, i64 %idx) {
; CHECK-LABEL: complex_lea_alt5:
; CHECK: # %bb.0:
; CHECK-NEXT: leaq 60(%rdx), %rax
; CHECK-NEXT: addq $66, %rdx
; CHECK-NEXT: testb $1, %dil
; CHECK-NEXT: cmovneq %rax, %rdx
; CHECK-NEXT: decw (%rdx,%rsi)
; CHECK-NEXT: retq
%i = ptrtoint i16* %ptr to i64
%i66 = add i64 %idx, 66
%i60 = add i64 %idx, 60
%o66 = add i64 %i66, %i
%o60 = add i64 %i60, %i
%p66 = inttoptr i64 %o66 to i16*
%p60 = inttoptr i64 %o60 to i16*
%sel = select i1 %b, i16* %p60, i16* %p66
%ld = load i16, i16* %sel, align 4
%dec = add i16 %ld, -1
store i16 %dec, i16* %sel, align 4
ret void
}
define void @complex_lea_alt6(i1 %b, i16* readnone %ptr, i64 %idx) {
; CHECK-LABEL: complex_lea_alt6:
; CHECK: # %bb.0:
; CHECK-NEXT: leaq 60(%rdx), %rax
; CHECK-NEXT: addq $66, %rdx
; CHECK-NEXT: testb $1, %dil
; CHECK-NEXT: cmovneq %rax, %rdx
; CHECK-NEXT: decw (%rsi,%rdx)
; CHECK-NEXT: retq
%i = ptrtoint i16* %ptr to i64
%i66 = add i64 %idx, 66
%i60 = add i64 %idx, 60
%o66 = add i64 %i, %i66
%o60 = add i64 %i, %i60
%p66 = inttoptr i64 %o66 to i16*
%p60 = inttoptr i64 %o60 to i16*
%sel = select i1 %b, i16* %p60, i16* %p66
%ld = load i16, i16* %sel, align 4
%dec = add i16 %ld, -1
store i16 %dec, i16* %sel, align 4
ret void
}
define void @complex_lea_alt7(i1 %b, i16* readnone %ptr, i64 %idx) {
; CHECK-LABEL: complex_lea_alt7:
; CHECK: # %bb.0:
; CHECK-NEXT: leaq 60(%rdx), %rax
; CHECK-NEXT: addq $66, %rdx
; CHECK-NEXT: testb $1, %dil
; CHECK-NEXT: cmovneq %rax, %rdx
; CHECK-NEXT: decw (%rdx,%rsi)
; CHECK-NEXT: retq
%i = ptrtoint i16* %ptr to i64
%o = add i64 %idx, %i
%o66 = add i64 %o, 66
%o60 = add i64 %o, 60
%p66 = inttoptr i64 %o66 to i16*
%p60 = inttoptr i64 %o60 to i16*
%sel = select i1 %b, i16* %p60, i16* %p66
%ld = load i16, i16* %sel, align 4
%dec = add i16 %ld, -1
store i16 %dec, i16* %sel, align 4
ret void
}
define void @complex_lea_alt8(i1 %b, i16* readnone %ptr, i64 %idx) {
; CHECK-LABEL: complex_lea_alt8:
; CHECK: # %bb.0:
; CHECK-NEXT: leaq 60(%rsi), %rax
; CHECK-NEXT: addq $66, %rsi
; CHECK-NEXT: testb $1, %dil
; CHECK-NEXT: cmovneq %rax, %rsi
; CHECK-NEXT: decw (%rsi,%rdx)
; CHECK-NEXT: retq
%i = ptrtoint i16* %ptr to i64
%o = add i64 %i, %idx
%o66 = add i64 %o, 66
%o60 = add i64 %o, 60
%p66 = inttoptr i64 %o66 to i16*
%p60 = inttoptr i64 %o60 to i16*
%sel = select i1 %b, i16* %p60, i16* %p66
%ld = load i16, i16* %sel, align 4
%dec = add i16 %ld, -1
store i16 %dec, i16* %sel, align 4
ret void
}
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