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TheRock/compiler/amd-llvm/llvm/test/CodeGen/X86/vshift-5.ll
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derek.holloway 7502bf64a4
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Flatten subprojects into a single base monorepo
2026-09-02 16:34:47 -07:00

105 lines
3.3 KiB
LLVM

; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
; RUN: llc < %s -mtriple=i686-unknown -mattr=+sse2 | FileCheck %s --check-prefix=X86
; RUN: llc < %s -mtriple=x86_64-unknown -mattr=+sse2 | FileCheck %s --check-prefix=X64
; When loading the shift amount from memory, avoid generating the splat.
define void @shift5a(<4 x i32> %val, ptr %dst, ptr %pamt) nounwind {
; X86-LABEL: shift5a:
; X86: # %bb.0: # %entry
; X86-NEXT: movl {{[0-9]+}}(%esp), %eax
; X86-NEXT: movl {{[0-9]+}}(%esp), %ecx
; X86-NEXT: movd {{.*#+}} xmm1 = mem[0],zero,zero,zero
; X86-NEXT: pslld %xmm1, %xmm0
; X86-NEXT: movdqa %xmm0, (%eax)
; X86-NEXT: retl
;
; X64-LABEL: shift5a:
; X64: # %bb.0: # %entry
; X64-NEXT: movd {{.*#+}} xmm1 = mem[0],zero,zero,zero
; X64-NEXT: pslld %xmm1, %xmm0
; X64-NEXT: movdqa %xmm0, (%rdi)
; X64-NEXT: retq
entry:
%amt = load i32, ptr %pamt
%tmp0 = insertelement <4 x i32> undef, i32 %amt, i32 0
%shamt = shufflevector <4 x i32> %tmp0, <4 x i32> undef, <4 x i32> zeroinitializer
%shl = shl <4 x i32> %val, %shamt
store <4 x i32> %shl, ptr %dst
ret void
}
define void @shift5b(<4 x i32> %val, ptr %dst, ptr %pamt) nounwind {
; X86-LABEL: shift5b:
; X86: # %bb.0: # %entry
; X86-NEXT: movl {{[0-9]+}}(%esp), %eax
; X86-NEXT: movl {{[0-9]+}}(%esp), %ecx
; X86-NEXT: movd {{.*#+}} xmm1 = mem[0],zero,zero,zero
; X86-NEXT: psrad %xmm1, %xmm0
; X86-NEXT: movdqa %xmm0, (%eax)
; X86-NEXT: retl
;
; X64-LABEL: shift5b:
; X64: # %bb.0: # %entry
; X64-NEXT: movd {{.*#+}} xmm1 = mem[0],zero,zero,zero
; X64-NEXT: psrad %xmm1, %xmm0
; X64-NEXT: movdqa %xmm0, (%rdi)
; X64-NEXT: retq
entry:
%amt = load i32, ptr %pamt
%tmp0 = insertelement <4 x i32> undef, i32 %amt, i32 0
%shamt = shufflevector <4 x i32> %tmp0, <4 x i32> undef, <4 x i32> zeroinitializer
%shr = ashr <4 x i32> %val, %shamt
store <4 x i32> %shr, ptr %dst
ret void
}
define void @shift5c(<4 x i32> %val, ptr %dst, i32 %amt) nounwind {
; X86-LABEL: shift5c:
; X86: # %bb.0: # %entry
; X86-NEXT: movl {{[0-9]+}}(%esp), %eax
; X86-NEXT: movd {{.*#+}} xmm1 = mem[0],zero,zero,zero
; X86-NEXT: pslld %xmm1, %xmm0
; X86-NEXT: movdqa %xmm0, (%eax)
; X86-NEXT: retl
;
; X64-LABEL: shift5c:
; X64: # %bb.0: # %entry
; X64-NEXT: movd %esi, %xmm1
; X64-NEXT: pslld %xmm1, %xmm0
; X64-NEXT: movdqa %xmm0, (%rdi)
; X64-NEXT: retq
entry:
%tmp0 = insertelement <4 x i32> undef, i32 %amt, i32 0
%shamt = shufflevector <4 x i32> %tmp0, <4 x i32> undef, <4 x i32> zeroinitializer
%shl = shl <4 x i32> %val, %shamt
store <4 x i32> %shl, ptr %dst
ret void
}
define void @shift5d(<4 x i32> %val, ptr %dst, i32 %amt) nounwind {
; X86-LABEL: shift5d:
; X86: # %bb.0: # %entry
; X86-NEXT: movl {{[0-9]+}}(%esp), %eax
; X86-NEXT: movd {{.*#+}} xmm1 = mem[0],zero,zero,zero
; X86-NEXT: psrad %xmm1, %xmm0
; X86-NEXT: movdqa %xmm0, (%eax)
; X86-NEXT: retl
;
; X64-LABEL: shift5d:
; X64: # %bb.0: # %entry
; X64-NEXT: movd %esi, %xmm1
; X64-NEXT: psrad %xmm1, %xmm0
; X64-NEXT: movdqa %xmm0, (%rdi)
; X64-NEXT: retq
entry:
%tmp0 = insertelement <4 x i32> undef, i32 %amt, i32 0
%shamt = shufflevector <4 x i32> %tmp0, <4 x i32> undef, <4 x i32> zeroinitializer
%shr = ashr <4 x i32> %val, %shamt
store <4 x i32> %shr, ptr %dst
ret void
}