36 lines
2.0 KiB
LLVM
36 lines
2.0 KiB
LLVM
; RUN: llc < %s -mtriple=x86_64-unknown-unknown -mattr=+avx2 | FileCheck %s
|
|
|
|
@e = global [8 x i32] [i32 1, i32 2, i32 3, i32 4, i32 5, i32 6, i32 7, i32 8], align 16
|
|
@d = global [8 x i32] [i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1], align 16
|
|
|
|
; The global 'e' has 16 byte alignment, so make sure we don't generate an
|
|
; aligned 32-byte load instruction when we combine the load+insert sequence.
|
|
|
|
define i32 @subb() nounwind ssp {
|
|
; CHECK-LABEL: subb:
|
|
; CHECK: vmovups e(%rip), %ymm
|
|
entry:
|
|
%0 = load i32, i32* getelementptr inbounds ([8 x i32], [8 x i32]* @e, i64 0, i64 7), align 4
|
|
%1 = load i32, i32* getelementptr inbounds ([8 x i32], [8 x i32]* @e, i64 0, i64 6), align 8
|
|
%2 = load i32, i32* getelementptr inbounds ([8 x i32], [8 x i32]* @e, i64 0, i64 5), align 4
|
|
%3 = load i32, i32* getelementptr inbounds ([8 x i32], [8 x i32]* @e, i64 0, i64 4), align 16
|
|
%4 = load i32, i32* getelementptr inbounds ([8 x i32], [8 x i32]* @e, i64 0, i64 3), align 4
|
|
%5 = load i32, i32* getelementptr inbounds ([8 x i32], [8 x i32]* @e, i64 0, i64 2), align 8
|
|
%6 = load i32, i32* getelementptr inbounds ([8 x i32], [8 x i32]* @e, i64 0, i64 1), align 4
|
|
%7 = load i32, i32* getelementptr inbounds ([8 x i32], [8 x i32]* @e, i64 0, i64 0), align 16
|
|
%vecinit.i = insertelement <8 x i32> undef, i32 %7, i32 0
|
|
%vecinit1.i = insertelement <8 x i32> %vecinit.i, i32 %6, i32 1
|
|
%vecinit2.i = insertelement <8 x i32> %vecinit1.i, i32 %5, i32 2
|
|
%vecinit3.i = insertelement <8 x i32> %vecinit2.i, i32 %4, i32 3
|
|
%vecinit4.i = insertelement <8 x i32> %vecinit3.i, i32 %3, i32 4
|
|
%vecinit5.i = insertelement <8 x i32> %vecinit4.i, i32 %2, i32 5
|
|
%vecinit6.i = insertelement <8 x i32> %vecinit5.i, i32 %1, i32 6
|
|
%vecinit7.i = insertelement <8 x i32> %vecinit6.i, i32 %0, i32 7
|
|
%8 = bitcast <8 x i32> %vecinit7.i to <32 x i8>
|
|
tail call void @llvm.x86.avx.storeu.dq.256(i8* bitcast ([8 x i32]* @d to i8*), <32 x i8> %8)
|
|
ret i32 0
|
|
}
|
|
|
|
declare void @llvm.x86.avx.storeu.dq.256(i8*, <32 x i8>) nounwind
|
|
|