aboutsummaryrefslogtreecommitdiff
path: root/test/CodeGen/X86/2009-02-25-CommuteBug.ll
diff options
context:
space:
mode:
Diffstat (limited to 'test/CodeGen/X86/2009-02-25-CommuteBug.ll')
-rw-r--r--test/CodeGen/X86/2009-02-25-CommuteBug.ll15
1 files changed, 15 insertions, 0 deletions
diff --git a/test/CodeGen/X86/2009-02-25-CommuteBug.ll b/test/CodeGen/X86/2009-02-25-CommuteBug.ll
new file mode 100644
index 0000000000..9ea34e27a1
--- /dev/null
+++ b/test/CodeGen/X86/2009-02-25-CommuteBug.ll
@@ -0,0 +1,15 @@
+; REQUIRES: asserts
+; RUN: llc < %s -march=x86 -mattr=+sse2 -stats 2>&1 | not grep commuted
+; rdar://6608609
+
+define <2 x double> @t(<2 x double> %A, <2 x double> %B, <2 x double> %C) nounwind readnone {
+entry:
+ %tmp.i2 = bitcast <2 x double> %B to <2 x i64> ; <<2 x i64>> [#uses=1]
+ %tmp2.i = or <2 x i64> %tmp.i2, <i64 4607632778762754458, i64 4607632778762754458> ; <<2 x i64>> [#uses=1]
+ %tmp3.i = bitcast <2 x i64> %tmp2.i to <2 x double> ; <<2 x double>> [#uses=1]
+ %0 = tail call <2 x double> @llvm.x86.sse2.add.sd(<2 x double> %A, <2 x double> %tmp3.i) nounwind readnone ; <<2 x double>> [#uses=1]
+ %tmp.i = fadd <2 x double> %0, %C ; <<2 x double>> [#uses=1]
+ ret <2 x double> %tmp.i
+}
+
+declare <2 x double> @llvm.x86.sse2.add.sd(<2 x double>, <2 x double>) nounwind readnone