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Diffstat (limited to 'test/CodeGen/PowerPC/frameaddr.ll')
-rw-r--r-- | test/CodeGen/PowerPC/frameaddr.ll | 47 |
1 files changed, 47 insertions, 0 deletions
diff --git a/test/CodeGen/PowerPC/frameaddr.ll b/test/CodeGen/PowerPC/frameaddr.ll new file mode 100644 index 0000000000..eabd4a68aa --- /dev/null +++ b/test/CodeGen/PowerPC/frameaddr.ll @@ -0,0 +1,47 @@ +; RUN: llc < %s -mcpu=pwr7 | FileCheck %s +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-f128:128:128-v128:128:128-n32:64" +target triple = "powerpc64-unknown-linux-gnu" + +declare void @llvm.eh.sjlj.longjmp(i8*) #1 + +define i8* @main() #0 { +entry: + %0 = call i8* @llvm.frameaddress(i32 0) + ret i8* %0 + +; CHECK: @main +; CHECK: mr 3, 1 +} + +define i8* @foo() #3 { ; naked +entry: + %0 = call i8* @llvm.frameaddress(i32 0) + ret i8* %0 + +; CHECK: @foo +; CHECK: mr 3, 1 +} + +define i8* @bar() #0 { +entry: + %x = alloca [100000 x i8] ; <[100000 x i8]*> [#uses=1] + %x1 = bitcast [100000 x i8]* %x to i8* ; <i8*> [#uses=1] + call void @use(i8* %x1) nounwind + %0 = call i8* @llvm.frameaddress(i32 0) + ret i8* %0 + +; Note that if we start eliminating non-leaf frame pointers by default, this +; will need to be updated. +; CHECK: @bar +; CHECK: mr 3, 31 +} + +declare void @use(i8*) + +declare i8* @llvm.frameaddress(i32) #2 + +attributes #0 = { nounwind "less-precise-fpmad"="false" "no-frame-pointer-elim"="false" "no-frame-pointer-elim-non-leaf"="true" "no-infs-fp-math"="false" "no-nans-fp-math"="false" "unsafe-fp-math"="false" "use-soft-float"="false" } +attributes #1 = { noreturn nounwind } +attributes #2 = { nounwind readnone } +attributes #3 = { nounwind naked "less-precise-fpmad"="false" "no-frame-pointer-elim"="false" "no-frame-pointer-elim-non-leaf"="true" "no-infs-fp-math"="false" "no-nans-fp-math"="false" "unsafe-fp-math"="false" "use-soft-float"="false" } + |