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| author | Dale Johannesen <dalej@apple.com> | 2009-08-19 22:44:41 +0000 |
|---|---|---|
| committer | Dale Johannesen <dalej@apple.com> | 2009-08-19 22:44:41 +0000 |
| commit | 7bcec7e54163bfb2e3f3fda5254c1db1a403a3fb (patch) | |
| tree | e78386985f028e1e947c870de4090b0877be308b /test | |
| parent | 781c2b8c4901435c374549afb50adb0ea96b7b2b (diff) | |
| download | llvm-7bcec7e54163bfb2e3f3fda5254c1db1a403a3fb.tar.gz llvm-7bcec7e54163bfb2e3f3fda5254c1db1a403a3fb.tar.bz2 llvm-7bcec7e54163bfb2e3f3fda5254c1db1a403a3fb.tar.xz | |
Handle 'a' modifier in X86 asms. PR 4742.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@79484 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'test')
| -rw-r--r-- | test/CodeGen/X86/2009-08-19-inline-asm-a-modifier.ll | 18 |
1 files changed, 18 insertions, 0 deletions
diff --git a/test/CodeGen/X86/2009-08-19-inline-asm-a-modifier.ll b/test/CodeGen/X86/2009-08-19-inline-asm-a-modifier.ll new file mode 100644 index 0000000000..b2584a21ea --- /dev/null +++ b/test/CodeGen/X86/2009-08-19-inline-asm-a-modifier.ll @@ -0,0 +1,18 @@ +; RUN: llvm-as < %s | llc | grep {%gs:6} +; RUN: llvm-as < %s | llc | grep {%gs:\\\(%*\\\)} +; ModuleID = 'asm.c' +target datalayout = "e-p:32:32:32-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:32:64-f32:32:32-f64:32:64-v64:64:64-v128:128:128-a0:0:64-f80:128:128" +target triple = "i386-apple-darwin9.6" + +define i32 @main() nounwind { +entry: + %asmtmp.i = tail call i16 asm "movw\09%gs:${1:a}, ${0:w}", "=r,ir,~{dirflag},~{fpsr},~{flags}"(i32 6) nounwind ; <i16> [#uses=1] + %0 = zext i16 %asmtmp.i to i32 ; <i32> [#uses=1] + ret i32 %0 +} + +define zeroext i16 @readgsword2(i32 %address) nounwind { +entry: + %asmtmp = tail call i16 asm "movw\09%gs:${1:a}, ${0:w}", "=r,ir,~{dirflag},~{fpsr},~{flags}"(i32 %address) nounwind ; <i16> [#uses=1] + ret i16 %asmtmp +} |