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| author | Dimitry Andric <dim@FreeBSD.org> | 2012-08-15 19:34:23 +0000 |
|---|---|---|
| committer | Dimitry Andric <dim@FreeBSD.org> | 2012-08-15 19:34:23 +0000 |
| commit | 58b69754af0cbff56b1cfce9be9392e4451f6628 (patch) | |
| tree | eacfc83d988e4b9d11114387ae7dc41243f2a363 /test/CodeGen/X86/gs-fold.ll | |
| parent | 0378662f5bd3dbe8305a485b0282bceb8b52f465 (diff) | |
| download | src-test-58b69754af0cbff56b1cfce9be9392e4451f6628.tar.gz src-test-58b69754af0cbff56b1cfce9be9392e4451f6628.zip | |
Notes
Diffstat (limited to 'test/CodeGen/X86/gs-fold.ll')
| -rw-r--r-- | test/CodeGen/X86/gs-fold.ll | 20 |
1 files changed, 20 insertions, 0 deletions
diff --git a/test/CodeGen/X86/gs-fold.ll b/test/CodeGen/X86/gs-fold.ll new file mode 100644 index 0000000000000..dbec76ba52c40 --- /dev/null +++ b/test/CodeGen/X86/gs-fold.ll @@ -0,0 +1,20 @@ +; RUN: llc < %s -mtriple=x86_64-unknown-freebsd | FileCheck %s --check-prefix=CHECK-FBSD +; RUN: llc < %s -mtriple=x86_64-unknown-linux | FileCheck %s --check-prefix=CHECK-LINUX +target datalayout = "e-p:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-v64:64:64-v128:128:128-a0:0:64-s0:64:64-f80:128:128-n8:16:32:64-S128" + +%struct.thread = type { i32, i32, i32, i32 } + +define i32 @test() nounwind uwtable { +entry: + %0 = load volatile %struct.thread* addrspace(256)* null + %c = getelementptr inbounds %struct.thread* %0, i64 0, i32 2 + %1 = load i32* %c, align 4 + ret i32 %1 +} + +; Check that we are not assuming that gs contains the address of gs if we are not targeting Linux +; CHECK-FBSD: movq %gs:0, %rax +; CHECK-FBSD: movl 8(%rax), %eax +; Check that we are assuming that gs contains the address of gs if we are targeting Linux +; CHECK-LINUX: movl %gs:8, %eax + |