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; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
; RUN: llc -mtriple=x86_64-apple-macosx10.9.0 -mcpu=core2 -mattr=+64bit,+sse2 < %s | FileCheck %s
; DAGCombine may choose to rewrite 2 loads feeding a select as a select of
; addresses feeding a load. This test ensures that when it does that it creates
; a load with alignment equivalent to the most restrictive source load.
declare void @sink(<2 x double>)
define void @test1(i1 %cmp) align 2 {
; CHECK-LABEL: test1:
; CHECK: ## %bb.0:
; CHECK-NEXT: subq $40, %rsp
; CHECK-NEXT: .cfi_def_cfa_offset 48
; CHECK-NEXT: testb $1, %dil
; CHECK-NEXT: leaq {{[0-9]+}}(%rsp), %rax
; CHECK-NEXT: movq %rsp, %rcx
; CHECK-NEXT: cmovneq %rax, %rcx
; CHECK-NEXT: movups (%rcx), %xmm0
; CHECK-NEXT: callq _sink
; CHECK-NEXT: addq $40, %rsp
; CHECK-NEXT: retq
%1 = alloca <2 x double>, align 16
%2 = alloca <2 x double>, align 8
%val = load <2 x double>, ptr %1, align 16
%val2 = load <2 x double>, ptr %2, align 8
%val3 = select i1 %cmp, <2 x double> %val, <2 x double> %val2
call void @sink(<2 x double> %val3)
ret void
}
define void @test2(i1 %cmp) align 2 {
; CHECK-LABEL: test2:
; CHECK: ## %bb.0:
; CHECK-NEXT: subq $40, %rsp
; CHECK-NEXT: .cfi_def_cfa_offset 48
; CHECK-NEXT: testb $1, %dil
; CHECK-NEXT: leaq {{[0-9]+}}(%rsp), %rax
; CHECK-NEXT: movq %rsp, %rcx
; CHECK-NEXT: cmovneq %rax, %rcx
; CHECK-NEXT: movaps (%rcx), %xmm0
; CHECK-NEXT: callq _sink
; CHECK-NEXT: addq $40, %rsp
; CHECK-NEXT: retq
%1 = alloca <2 x double>, align 16
%2 = alloca <2 x double>, align 8
%val = load <2 x double>, ptr %1, align 16
%val2 = load <2 x double>, ptr %2, align 16
%val3 = select i1 %cmp, <2 x double> %val, <2 x double> %val2
call void @sink(<2 x double> %val3)
ret void
}
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