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| author | Torok Edwin <edwintorok@gmail.com> | 2009-02-01 18:15:56 +0000 |
|---|---|---|
| committer | Torok Edwin <edwintorok@gmail.com> | 2009-02-01 18:15:56 +0000 |
| commit | 3f142c36ad04c1aabac90df6a866bd2b0767f24f (patch) | |
| tree | 912ad6d239ad53220145f3547467e88c5c76df48 /test/CodeGen/X86/nosse-varargs.ll | |
| parent | b0d5cdd52e8448f769cd71aaee6a4b8592dc08b1 (diff) | |
| download | llvm-3f142c36ad04c1aabac90df6a866bd2b0767f24f.tar.gz llvm-3f142c36ad04c1aabac90df6a866bd2b0767f24f.tar.bz2 llvm-3f142c36ad04c1aabac90df6a866bd2b0767f24f.tar.xz | |
Implement -mno-sse: if SSE is disabled on x86-64, don't store XMM on stack for
var-args, and don't allow FP return values
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@63495 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'test/CodeGen/X86/nosse-varargs.ll')
| -rw-r--r-- | test/CodeGen/X86/nosse-varargs.ll | 46 |
1 files changed, 46 insertions, 0 deletions
diff --git a/test/CodeGen/X86/nosse-varargs.ll b/test/CodeGen/X86/nosse-varargs.ll new file mode 100644 index 0000000000..e6da0ab5e3 --- /dev/null +++ b/test/CodeGen/X86/nosse-varargs.ll @@ -0,0 +1,46 @@ +; RUN: llvm-as < %s > %t +; RUN: llc -march=x86-64 -mattr=-sse < %t | not grep xmm +; RUN: llc -march=x86-64 < %t | grep xmm +; PR3403 +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" +target triple = "x86_64-unknown-linux-gnu" + %struct.__va_list_tag = type { i32, i32, i8*, i8* } + +define i32 @foo(float %a, i8* nocapture %fmt, ...) nounwind { +entry: + %ap = alloca [1 x %struct.__va_list_tag], align 8 ; <[1 x %struct.__va_list_tag]*> [#uses=4] + %ap12 = bitcast [1 x %struct.__va_list_tag]* %ap to i8* ; <i8*> [#uses=2] + call void @llvm.va_start(i8* %ap12) + %0 = getelementptr [1 x %struct.__va_list_tag]* %ap, i64 0, i64 0, i32 0 ; <i32*> [#uses=2] + %1 = load i32* %0, align 8 ; <i32> [#uses=3] + %2 = icmp ult i32 %1, 48 ; <i1> [#uses=1] + br i1 %2, label %bb, label %bb3 + +bb: ; preds = %entry + %3 = getelementptr [1 x %struct.__va_list_tag]* %ap, i64 0, i64 0, i32 3 ; <i8**> [#uses=1] + %4 = load i8** %3, align 8 ; <i8*> [#uses=1] + %5 = inttoptr i32 %1 to i8* ; <i8*> [#uses=1] + %6 = ptrtoint i8* %5 to i64 ; <i64> [#uses=1] + %ctg2 = getelementptr i8* %4, i64 %6 ; <i8*> [#uses=1] + %7 = add i32 %1, 8 ; <i32> [#uses=1] + store i32 %7, i32* %0, align 8 + br label %bb4 + +bb3: ; preds = %entry + %8 = getelementptr [1 x %struct.__va_list_tag]* %ap, i64 0, i64 0, i32 2 ; <i8**> [#uses=2] + %9 = load i8** %8, align 8 ; <i8*> [#uses=2] + %10 = getelementptr i8* %9, i64 8 ; <i8*> [#uses=1] + store i8* %10, i8** %8, align 8 + br label %bb4 + +bb4: ; preds = %bb3, %bb + %addr.0.0 = phi i8* [ %ctg2, %bb ], [ %9, %bb3 ] ; <i8*> [#uses=1] + %11 = bitcast i8* %addr.0.0 to i32* ; <i32*> [#uses=1] + %12 = load i32* %11, align 4 ; <i32> [#uses=1] + call void @llvm.va_end(i8* %ap12) + ret i32 %12 +} + +declare void @llvm.va_start(i8*) nounwind + +declare void @llvm.va_end(i8*) nounwind |