summaryrefslogtreecommitdiff
path: root/test
diff options
context:
space:
mode:
authorDuncan Sands <baldrick@free.fr>2008-11-03 11:51:11 +0000
committerDuncan Sands <baldrick@free.fr>2008-11-03 11:51:11 +0000
commit5c58a3168f006aaacf2e9c6a69dde86b630d783e (patch)
tree6ae2cf42754e5adec3cacf07cfe0c97e87f5c47f /test
parent06140888b1fed24910031f23c302c6a3221f3c42 (diff)
downloadllvm-5c58a3168f006aaacf2e9c6a69dde86b630d783e.tar.gz
llvm-5c58a3168f006aaacf2e9c6a69dde86b630d783e.tar.bz2
llvm-5c58a3168f006aaacf2e9c6a69dde86b630d783e.tar.xz
Make VAARG work with x86 long double (which is
10 bytes long, but is passed in 12/16 bytes). git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@58608 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'test')
-rw-r--r--test/CodeGen/X86/2008-11-03-F80VAARG.ll17
1 files changed, 17 insertions, 0 deletions
diff --git a/test/CodeGen/X86/2008-11-03-F80VAARG.ll b/test/CodeGen/X86/2008-11-03-F80VAARG.ll
new file mode 100644
index 0000000000..bb9fbdba4a
--- /dev/null
+++ b/test/CodeGen/X86/2008-11-03-F80VAARG.ll
@@ -0,0 +1,17 @@
+; RUN: llvm-as < %s | llc -march=x86 -o - | not grep 10
+
+declare void @llvm.va_start(i8*) nounwind
+
+declare void @llvm.va_copy(i8*, i8*) nounwind
+
+declare void @llvm.va_end(i8*) nounwind
+
+define x86_fp80 @test(...) nounwind {
+ %ap = alloca i8* ; <i8**> [#uses=3]
+ %v1 = bitcast i8** %ap to i8* ; <i8*> [#uses=1]
+ call void @llvm.va_start(i8* %v1)
+ %t1 = va_arg i8** %ap, x86_fp80 ; <x86_fp80> [#uses=1]
+ %t2 = va_arg i8** %ap, x86_fp80 ; <x86_fp80> [#uses=1]
+ %t = add x86_fp80 %t1, %t2 ; <x86_fp80> [#uses=1]
+ ret x86_fp80 %t
+}