CodeGen peephole: fold redundant phys reg copies

[oota-llvm.git] / test / CodeGen / X86 / 2008-08-31-EH_RETURN32.ll

diff --git a/test/CodeGen/X86/2008-08-31-EH_RETURN32.ll b/test/CodeGen/X86/2008-08-31-EH_RETURN32.ll
index e69de29bb2d1d6434b8b29ae775ad8c2e48c5391..7cf9cb007708e6cd2b117358404dd3d50add6887 100644 (file)
--- a/test/CodeGen/X86/2008-08-31-EH_RETURN32.ll
+++ b/test/CodeGen/X86/2008-08-31-EH_RETURN32.ll
@@ -0,0 +1,38 @@
+; Check that eh_return & unwind_init were properly lowered
+; RUN: llc -mcpu=corei7 < %s -verify-machineinstrs | FileCheck %s
+
+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"
+target triple = "i386-pc-linux"
+
+; CHECK: test1
+; CHECK: pushl %ebp
+define i8* @test1(i32 %a, i8* %b)  {
+entry:
+  call void @llvm.eh.unwind.init()
+  %foo   = alloca i32
+  call void @llvm.eh.return.i32(i32 %a, i8* %b)
+; CHECK: movl 12(%ebp), %[[ECX:e..]]
+; CHECK: movl 8(%ebp), %[[EAX:e..]]
+; CHECK: movl %[[ECX]], 4(%ebp,%[[EAX]])
+; CHECK: leal 4(%ebp,%[[EAX]]), %[[ECX2:e..]]
+; CHECK: movl %[[ECX2]], %esp
+; CHECK: ret
+  unreachable
+}
+
+; CHECK: test2
+; CHECK: pushl %ebp
+define i8* @test2(i32 %a, i8* %b)  {
+entry:
+  call void @llvm.eh.return.i32(i32 %a, i8* %b)
+; CHECK: movl 12(%ebp), %[[ECX:e..]]
+; CHECK: movl 8(%ebp), %[[EAX:e..]]
+; CHECK: movl %[[ECX]], 4(%ebp,%[[EAX]])
+; CHECK: leal 4(%ebp,%[[EAX]]), %[[ECX2:e..]]
+; CHECK: movl %[[ECX2]], %esp
+; CHECK: ret
+  unreachable
+}
+
+declare void @llvm.eh.return.i32(i32, i8*)
+declare void @llvm.eh.unwind.init()