Fast-ISel: Remove dead code after falling back from selecting call instructions ...

[oota-llvm.git] / test / CodeGen / X86 / fast-isel-x86.ll

diff --git a/test/CodeGen/X86/fast-isel-x86.ll b/test/CodeGen/X86/fast-isel-x86.ll
index a212a7c6876ea3ed09b91eee42eb541ea6838f5c..61e9b98f6e7e0c0143f1143812a744f73214a3f8 100644 (file)
--- a/test/CodeGen/X86/fast-isel-x86.ll
+++ b/test/CodeGen/X86/fast-isel-x86.ll
@@ -60,3 +60,21 @@ entry:
 ; CHECK: addl $28
 }
 declare fastcc void @test4fastccsret(%struct.a* sret)
+
+
+; Check that fast-isel cleans up when it fails to lower a call instruction.
+define void @test5() {
+entry:
+  %call = call i32 @test5dllimport(i32 42)
+  ret void
+; CHECK-LABEL: test5:
+; Local value area is still there:
+; CHECK: movl $42, {{%[a-z]+}}
+; Fast-ISel's arg push is not here:
+; CHECK-NOT: movl $42, (%esp)
+; SDag-ISel's arg push:
+; CHECK: movl %esp, [[REGISTER:%[a-z]+]]
+; CHECK: movl $42, ([[REGISTER]])
+; CHECK: movl __imp__test5dllimport
+}
+declare dllimport i32 @test5dllimport(i32)