diff options
Diffstat (limited to 'test/CodeGen/X86/extractelement-load.ll')
| -rw-r--r-- | test/CodeGen/X86/extractelement-load.ll | 20 |
1 files changed, 18 insertions, 2 deletions
diff --git a/test/CodeGen/X86/extractelement-load.ll b/test/CodeGen/X86/extractelement-load.ll index ee57d9b..06d739c 100644 --- a/test/CodeGen/X86/extractelement-load.ll +++ b/test/CodeGen/X86/extractelement-load.ll @@ -1,9 +1,25 @@ -; RUN: llc < %s -march=x86 -mattr=+sse2 -mcpu=yonah | not grep movd -; RUN: llc < %s -march=x86-64 -mattr=+sse2 -mcpu=core2 | not grep movd +; RUN: llc < %s -march=x86 -mattr=+sse2 -mcpu=yonah | FileCheck %s +; RUN: llc < %s -march=x86-64 -mattr=+sse2 -mcpu=core2 | FileCheck %s define i32 @t(<2 x i64>* %val) nounwind { +; CHECK: t: +; CHECK-NOT: movd +; CHECK: movl 8( +; CHECK-NEXT: ret %tmp2 = load <2 x i64>* %val, align 16 ; <<2 x i64>> [#uses=1] %tmp3 = bitcast <2 x i64> %tmp2 to <4 x i32> ; <<4 x i32>> [#uses=1] %tmp4 = extractelement <4 x i32> %tmp3, i32 2 ; <i32> [#uses=1] ret i32 %tmp4 } + +; Case where extractelement of load ends up as undef. +; (Making sure this doesn't crash.) +define i32 @t2(<8 x i32>* %xp) { +; CHECK: t2: +; CHECK: ret + %x = load <8 x i32>* %xp + %Shuff68 = shufflevector <8 x i32> %x, <8 x i32> undef, <8 x i32> <i32 +undef, i32 7, i32 9, i32 undef, i32 13, i32 15, i32 1, i32 3> + %y = extractelement <8 x i32> %Shuff68, i32 0 + ret i32 %y +} |
