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https://github.com/c64scene-ar/llvm-6502.git
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f66c14f656
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@210743 91177308-0d34-0410-b5e6-96231b3b80d8
45 lines
1.3 KiB
LLVM
45 lines
1.3 KiB
LLVM
; RUN: llc < %s -march=x86 | FileCheck %s --check-prefix=CHECK-32
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; RUN: llc < %s -march=x86 -fast-isel -fast-isel-abort | FileCheck %s --check-prefix=CHECK-32
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; RUN: llc < %s -march=x86-64 | FileCheck %s --check-prefix=CHECK-64
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; RUN: llc < %s -march=x86-64 -fast-isel -fast-isel-abort | FileCheck %s --check-prefix=CHECK-64
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define i8* @test1() nounwind {
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entry:
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; CHECK-32-LABEL: test1
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; CHECK-32: push
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; CHECK-32-NEXT: movl %esp, %ebp
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; CHECK-32-NEXT: movl %ebp, %eax
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; CHECK-32-NEXT: pop
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; CHECK-32-NEXT: ret
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; CHECK-64-LABEL: test1
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; CHECK-64: push
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; CHECK-64-NEXT: movq %rsp, %rbp
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; CHECK-64-NEXT: movq %rbp, %rax
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; CHECK-64-NEXT: pop
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; CHECK-64-NEXT: ret
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%0 = tail call i8* @llvm.frameaddress(i32 0)
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ret i8* %0
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}
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define i8* @test2() nounwind {
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entry:
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; CHECK-32-LABEL: test2
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; CHECK-32: push
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; CHECK-32-NEXT: movl %esp, %ebp
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; CHECK-32-NEXT: movl (%ebp), %eax
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; CHECK-32-NEXT: movl (%eax), %eax
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; CHECK-32-NEXT: pop
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; CHECK-32-NEXT: ret
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; CHECK-64-LABEL: test2
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; CHECK-64: push
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; CHECK-64-NEXT: movq %rsp, %rbp
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; CHECK-64-NEXT: movq (%rbp), %rax
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; CHECK-64-NEXT: movq (%rax), %rax
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; CHECK-64-NEXT: pop
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; CHECK-64-NEXT: ret
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%0 = tail call i8* @llvm.frameaddress(i32 2)
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ret i8* %0
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}
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declare i8* @llvm.frameaddress(i32) nounwind readnone
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