Vendor import of llvm trunk r178860:

http://llvm.org/svn/llvm-project/llvm/trunk@178860

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 0000000..eabd4a6
--- /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" }
+