diff options
Diffstat (limited to 'llvm/test/Transforms')
| -rw-r--r-- | llvm/test/Transforms/IPConstantProp/naked-return.ll | 28 |
1 files changed, 28 insertions, 0 deletions
diff --git a/llvm/test/Transforms/IPConstantProp/naked-return.ll b/llvm/test/Transforms/IPConstantProp/naked-return.ll new file mode 100644 index 00000000000..f52417fcf7e --- /dev/null +++ b/llvm/test/Transforms/IPConstantProp/naked-return.ll @@ -0,0 +1,28 @@ +; RUN: opt -ipsccp -S %s | FileCheck %s + +target datalayout = "e-m:x-p:32:32-i64:64-f80:32-n8:16:32-a:0:32-S32" +target triple = "i686-pc-windows-msvc19.0.24215" + +define i32 @dipsy(i32, i32) local_unnamed_addr #0 { +BasicBlock0: + call void asm "\0D\0Apushl %ebp\0D\0Amovl 8(%esp),%eax\0D\0Amovl 12(%esp), %ebp\0D\0Acalll *%eax\0D\0Apopl %ebp\0D\0Aretl\0D\0A", ""() + ret i32 0 +} + +define void @tinkywinky(i32, i32, i32) local_unnamed_addr #0 { +BasicBlock1: + call void asm "\0D\0A movl 12(%esp), %ebp\0D\0A movl 4(%esp), %eax\0D\0A movl 8(%esp), %esp\0D\0A jmpl *%eax\0D\0A", ""() + ret void +} + +define void @patatino(i32, i32, i32) local_unnamed_addr #1 { +bb: + %3 = tail call i32 @dipsy(i32 %0, i32 %1) #0 +; Check that we don't accidentally propagate zero. +; CHECK: @tinkywinky(i32 %3, i32 %2, i32 %1) #0 + tail call void @tinkywinky(i32 %3, i32 %2, i32 %1) #0 + ret void +} + +attributes #0 = { naked noinline optnone } +attributes #1 = { "no-frame-pointer-elim"="true" "no-frame-pointer-elim-non-leaf" } |
