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authorDimitry Andric <dim@FreeBSD.org>2015-01-18 16:17:27 +0000
committerDimitry Andric <dim@FreeBSD.org>2015-01-18 16:17:27 +0000
commit67c32a98315f785a9ec9d531c1f571a0196c7463 (patch)
tree4abb9cbeecc7901726dd0b4a37369596c852e9ef /test/CodeGen/X86/x32-function_pointer-1.ll
parent9f61947910e6ab40de38e6b4034751ef1513200f (diff)
Diffstat (limited to 'test/CodeGen/X86/x32-function_pointer-1.ll')
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diff --git a/test/CodeGen/X86/x32-function_pointer-1.ll b/test/CodeGen/X86/x32-function_pointer-1.ll
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index 0000000000000..2baf92a99790d
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+++ b/test/CodeGen/X86/x32-function_pointer-1.ll
@@ -0,0 +1,20 @@
+; RUN: llc < %s -mtriple=x86_64-linux-gnux32 | FileCheck %s
+; RUN: llc < %s -mtriple=x86_64-linux-gnux32 -fast-isel | FileCheck %s
+
+; Test for x32 function pointer tail call
+
+@foo1 = external global void (i8*)*
+@foo2 = external global void (i8*)*
+
+define void @bar(i8* %h) nounwind uwtable {
+entry:
+ %0 = load void (i8*)** @foo1, align 4
+; CHECK: movl foo1(%rip), %e{{[^,]*}}
+ tail call void %0(i8* %h) nounwind
+; CHECK: callq *%r{{[^,]*}}
+ %1 = load void (i8*)** @foo2, align 4
+; CHECK: movl foo2(%rip), %e{{[^,]*}}
+ tail call void %1(i8* %h) nounwind
+; CHECK: jmpq *%r{{[^,]*}}
+ ret void
+}