; RUN: llc < %s -march=x86 -mattr=+sse2 -mcpu=yonah | FileCheck %s ; RUN: llc < %s -march=x86-64 -mattr=+sse2 -mcpu=core2 | FileCheck %s target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128" define i32 @t(<2 x i64>* %val) nounwind { ; CHECK-LABEL: 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 ; [#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-LABEL: t2: ; CHECK: ret %x = load <8 x i32>* %xp %Shuff68 = shufflevector <8 x i32> %x, <8 x i32> undef, <8 x i32> %y = extractelement <8 x i32> %Shuff68, i32 0 ret i32 %y } ; This case could easily end up inf-looping in the DAG combiner due to an ; low alignment load of the vector which prevents us from reliably forming a ; narrow load. ; FIXME: It would be nice to detect whether the target has fast and legal ; unaligned loads and use them here. define void @t3() { ; CHECK-LABEL: t3: ; ; This movs the entire vector, shuffling the high double down. If we fixed the ; FIXME above it would just move the high double directly. ; CHECK: movups ; CHECK: movhlps ; CHECK: movlps bb: %tmp13 = load <2 x double>* undef, align 1 %.sroa.3.24.vec.extract = extractelement <2 x double> %tmp13, i32 1 store double %.sroa.3.24.vec.extract, double* undef, align 8 unreachable }