38 lines
1.1 KiB
LLVM
38 lines
1.1 KiB
LLVM
; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
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; RUN: llc < %s -mtriple=x86_64-linux-gnu | FileCheck %s
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; We should be able to bypass the load values to their corresponding
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; stores here.
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define i32 @foo(i32 %a, i32 %b, i32 %c, i32 %d) {
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; CHECK-LABEL: foo:
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; CHECK: # %bb.0: # %entry
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; CHECK-NEXT: # kill: def $esi killed $esi def $rsi
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; CHECK-NEXT: # kill: def $edi killed $edi def $rdi
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; CHECK-NEXT: movl %esi, -{{[0-9]+}}(%rsp)
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; CHECK-NEXT: movl %ecx, -{{[0-9]+}}(%rsp)
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; CHECK-NEXT: movl %edi, -{{[0-9]+}}(%rsp)
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; CHECK-NEXT: movl %edx, -{{[0-9]+}}(%rsp)
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; CHECK-NEXT: leal (%rdi,%rsi), %eax
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; CHECK-NEXT: addl %edx, %eax
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; CHECK-NEXT: addl %ecx, %eax
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; CHECK-NEXT: retq
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entry:
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%a0 = alloca i32
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%a1 = alloca i32
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%a2 = alloca i32
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%a3 = alloca i32
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store i32 %b, i32* %a1
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store i32 %d, i32* %a3
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store i32 %a, i32* %a0
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store i32 %c, i32* %a2
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%l0 = load i32, i32* %a0
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%l1 = load i32, i32* %a1
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%l2 = load i32, i32* %a2
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%l3 = load i32, i32* %a3
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%add0 = add nsw i32 %l0, %l1
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%add1 = add nsw i32 %add0, %l2
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%add2 = add nsw i32 %add1, %l3
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ret i32 %add2
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}
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