http://bugs.llvm.org/show_bug.cgi?id=32007
Bug ID: 32007
Summary: [X86] Should use fp broadcast instructions for
integers with only AVX1
Product: libraries
Version: trunk
Hardware: PC
OS: All
Status: NEW
Severity: enhancement
Priority: P
Component: Backend: X86
Assignee: [email protected]
Reporter: [email protected]
CC: [email protected]
This test case should use an fp broadcast instruction in AVX1 only mode
define <8 x i32> @load_splat_8i32_4i32_01010101(<4 x i32>* %ptr) nounwind
uwtable readnone ssp {
; SSE-LABEL: load_splat_8i32_4i32_01010101:
; SSE: # BB#0: # %entry
; SSE-NEXT: pshufd {{.*#+}} xmm0 = mem[0,1,0,1]
; SSE-NEXT: movdqa %xmm0, %xmm1
; SSE-NEXT: retq
;
; AVX1-LABEL: load_splat_8i32_4i32_01010101:
; AVX1: # BB#0: # %entry
; AVX1-NEXT: vpshufd {{.*#+}} xmm0 = mem[0,1,0,1]
; AVX1-NEXT: vinsertf128 $1, %xmm0, %ymm0, %ymm0
; AVX1-NEXT: retq
;
; AVX2-LABEL: load_splat_8i32_4i32_01010101:
; AVX2: # BB#0: # %entry
; AVX2-NEXT: vbroadcastsd (%rdi), %ymm0
; AVX2-NEXT: retq
;
; AVX512-LABEL: load_splat_8i32_4i32_01010101:
; AVX512: # BB#0: # %entry
; AVX512-NEXT: vbroadcastsd (%rdi), %ymm0
; AVX512-NEXT: retq
entry:
%ld = load <4 x i32>, <4 x i32>* %ptr
%ret = shufflevector <4 x i32> %ld, <4 x i32> undef, <8 x i32> <i32 0, i32 1,
i32 0, i32 1, i32 0, i32 1, i32 0, i32 1>
ret <8 x i32> %ret
}
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