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| author | Juergen Ributzka <juergen@apple.com> | 2014-06-11 21:44:44 +0000 |
|---|---|---|
| committer | Juergen Ributzka <juergen@apple.com> | 2014-06-11 21:44:44 +0000 |
| commit | a2d36a20fa0803a596a1b3194abd52fa92f830cc (patch) | |
| tree | 1981d260d237c22bd1896b238a42079e73e93f0b /test/CodeGen/X86/frameaddr.ll | |
| parent | 2e4cd277993695981fe5dac878547265210f562b (diff) | |
| download | llvm-a2d36a20fa0803a596a1b3194abd52fa92f830cc.tar.gz llvm-a2d36a20fa0803a596a1b3194abd52fa92f830cc.tar.bz2 llvm-a2d36a20fa0803a596a1b3194abd52fa92f830cc.tar.xz | |
[FastISel][X86] Add support for the frameaddress intrinsic.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@210709 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'test/CodeGen/X86/frameaddr.ll')
| -rw-r--r-- | test/CodeGen/X86/frameaddr.ll | 27 |
1 files changed, 27 insertions, 0 deletions
diff --git a/test/CodeGen/X86/frameaddr.ll b/test/CodeGen/X86/frameaddr.ll new file mode 100644 index 0000000000..999f3a584d --- /dev/null +++ b/test/CodeGen/X86/frameaddr.ll @@ -0,0 +1,27 @@ +; RUN: llc < %s -march=x86 | FileCheck %s --check-prefix=CHECK-32 +; RUN: llc < %s -march=x86 -fast-isel -fast-isel-abort | FileCheck %s --check-prefix=CHECK-32 +; RUN: llc < %s -march=x86-64 | FileCheck %s --check-prefix=CHECK-64 +; RUN: llc < %s -march=x86-64 -fast-isel -fast-isel-abort | FileCheck %s --check-prefix=CHECK-64 + +define i8* @test1() nounwind { +entry: +; CHECK-32: movl %esp, %ebp +; CHECK-32-NEXT: movl %ebp, %eax +; CHECK-64: movq %rsp, %rbp +; CHECK-64-NEXT: movq %rbp, %rax + %0 = tail call i8* @llvm.frameaddress(i32 0) + ret i8* %0 +} + +define i8* @test2() nounwind { +entry: +; CHECK-32: movl %esp, %ebp +; CHECK-32-NEXT: movl (%ebp), %eax +; CHECK-32-NEXT: movl (%eax), %eax +; CHECK-64: movq %rsp, %rbp +; CHECK-64-NEXT: movq (%rbp), %rax +; CHECK-64-NEXT: movq (%rax), %rax + %0 = tail call i8* @llvm.frameaddress(i32 2) + ret i8* %0 +} +declare i8* @llvm.frameaddress(i32) nounwind readnone |