36 lines
1.1 KiB
LLVM
36 lines
1.1 KiB
LLVM
; 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 {
|
|
%1 = alloca <2 x double>, align 16
|
|
%2 = alloca <2 x double>, align 8
|
|
|
|
%val = load <2 x double>, <2 x double>* %1, align 16
|
|
%val2 = load <2 x double>, <2 x double>* %2, align 8
|
|
%val3 = select i1 %cmp, <2 x double> %val, <2 x double> %val2
|
|
call void @sink(<2 x double> %val3)
|
|
ret void
|
|
; CHECK: test1
|
|
; CHECK: movups
|
|
; CHECK: ret
|
|
}
|
|
|
|
define void @test2(i1 %cmp) align 2 {
|
|
%1 = alloca <2 x double>, align 16
|
|
%2 = alloca <2 x double>, align 8
|
|
|
|
%val = load <2 x double>, <2 x double>* %1, align 16
|
|
%val2 = load <2 x double>, <2 x double>* %2, align 16
|
|
%val3 = select i1 %cmp, <2 x double> %val, <2 x double> %val2
|
|
call void @sink(<2 x double> %val3)
|
|
ret void
|
|
; CHECK: test2
|
|
; CHECK: movaps
|
|
; CHECK: ret
|
|
}
|