145 lines
4.4 KiB
LLVM
145 lines
4.4 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
|
|
|
|
; test vector shifts converted to proper SSE2 vector shifts when the shift
|
|
; amounts are the same.
|
|
|
|
define void @shift1a(<2 x i64> %val, <2 x i64>* %dst) nounwind {
|
|
; X86-LABEL: shift1a:
|
|
; X86: # %bb.0: # %entry
|
|
; X86-NEXT: movl {{[0-9]+}}(%esp), %eax
|
|
; X86-NEXT: psrlq $32, %xmm0
|
|
; X86-NEXT: movdqa %xmm0, (%eax)
|
|
; X86-NEXT: retl
|
|
;
|
|
; X64-LABEL: shift1a:
|
|
; X64: # %bb.0: # %entry
|
|
; X64-NEXT: psrlq $32, %xmm0
|
|
; X64-NEXT: movdqa %xmm0, (%rdi)
|
|
; X64-NEXT: retq
|
|
entry:
|
|
%lshr = lshr <2 x i64> %val, < i64 32, i64 32 >
|
|
store <2 x i64> %lshr, <2 x i64>* %dst
|
|
ret void
|
|
}
|
|
|
|
define void @shift1b(<2 x i64> %val, <2 x i64>* %dst, i64 %amt) nounwind {
|
|
; X86-LABEL: shift1b:
|
|
; X86: # %bb.0: # %entry
|
|
; X86-NEXT: movl {{[0-9]+}}(%esp), %eax
|
|
; X86-NEXT: movq {{.*#+}} xmm1 = mem[0],zero
|
|
; X86-NEXT: psrlq %xmm1, %xmm0
|
|
; X86-NEXT: movdqa %xmm0, (%eax)
|
|
; X86-NEXT: retl
|
|
;
|
|
; X64-LABEL: shift1b:
|
|
; X64: # %bb.0: # %entry
|
|
; X64-NEXT: movq %rsi, %xmm1
|
|
; X64-NEXT: psrlq %xmm1, %xmm0
|
|
; X64-NEXT: movdqa %xmm0, (%rdi)
|
|
; X64-NEXT: retq
|
|
entry:
|
|
%0 = insertelement <2 x i64> undef, i64 %amt, i32 0
|
|
%1 = insertelement <2 x i64> %0, i64 %amt, i32 1
|
|
%lshr = lshr <2 x i64> %val, %1
|
|
store <2 x i64> %lshr, <2 x i64>* %dst
|
|
ret void
|
|
}
|
|
|
|
define void @shift2a(<4 x i32> %val, <4 x i32>* %dst) nounwind {
|
|
; X86-LABEL: shift2a:
|
|
; X86: # %bb.0: # %entry
|
|
; X86-NEXT: movl {{[0-9]+}}(%esp), %eax
|
|
; X86-NEXT: psrld $17, %xmm0
|
|
; X86-NEXT: movdqa %xmm0, (%eax)
|
|
; X86-NEXT: retl
|
|
;
|
|
; X64-LABEL: shift2a:
|
|
; X64: # %bb.0: # %entry
|
|
; X64-NEXT: psrld $17, %xmm0
|
|
; X64-NEXT: movdqa %xmm0, (%rdi)
|
|
; X64-NEXT: retq
|
|
entry:
|
|
%lshr = lshr <4 x i32> %val, < i32 17, i32 17, i32 17, i32 17 >
|
|
store <4 x i32> %lshr, <4 x i32>* %dst
|
|
ret void
|
|
}
|
|
|
|
define void @shift2b(<4 x i32> %val, <4 x i32>* %dst, i32 %amt) nounwind {
|
|
; X86-LABEL: shift2b:
|
|
; X86: # %bb.0: # %entry
|
|
; X86-NEXT: movl {{[0-9]+}}(%esp), %eax
|
|
; X86-NEXT: movd {{.*#+}} xmm1 = mem[0],zero,zero,zero
|
|
; X86-NEXT: psrld %xmm1, %xmm0
|
|
; X86-NEXT: movdqa %xmm0, (%eax)
|
|
; X86-NEXT: retl
|
|
;
|
|
; X64-LABEL: shift2b:
|
|
; X64: # %bb.0: # %entry
|
|
; X64-NEXT: movd %esi, %xmm1
|
|
; X64-NEXT: psrld %xmm1, %xmm0
|
|
; X64-NEXT: movdqa %xmm0, (%rdi)
|
|
; X64-NEXT: retq
|
|
entry:
|
|
%0 = insertelement <4 x i32> undef, i32 %amt, i32 0
|
|
%1 = insertelement <4 x i32> %0, i32 %amt, i32 1
|
|
%2 = insertelement <4 x i32> %1, i32 %amt, i32 2
|
|
%3 = insertelement <4 x i32> %2, i32 %amt, i32 3
|
|
%lshr = lshr <4 x i32> %val, %3
|
|
store <4 x i32> %lshr, <4 x i32>* %dst
|
|
ret void
|
|
}
|
|
|
|
|
|
define void @shift3a(<8 x i16> %val, <8 x i16>* %dst) nounwind {
|
|
; X86-LABEL: shift3a:
|
|
; X86: # %bb.0: # %entry
|
|
; X86-NEXT: movl {{[0-9]+}}(%esp), %eax
|
|
; X86-NEXT: psrlw $5, %xmm0
|
|
; X86-NEXT: movdqa %xmm0, (%eax)
|
|
; X86-NEXT: retl
|
|
;
|
|
; X64-LABEL: shift3a:
|
|
; X64: # %bb.0: # %entry
|
|
; X64-NEXT: psrlw $5, %xmm0
|
|
; X64-NEXT: movdqa %xmm0, (%rdi)
|
|
; X64-NEXT: retq
|
|
entry:
|
|
%lshr = lshr <8 x i16> %val, < i16 5, i16 5, i16 5, i16 5, i16 5, i16 5, i16 5, i16 5 >
|
|
store <8 x i16> %lshr, <8 x i16>* %dst
|
|
ret void
|
|
}
|
|
|
|
; properly zero extend the shift amount
|
|
define void @shift3b(<8 x i16> %val, <8 x i16>* %dst, i16 %amt) nounwind {
|
|
; X86-LABEL: shift3b:
|
|
; X86: # %bb.0: # %entry
|
|
; X86-NEXT: movl {{[0-9]+}}(%esp), %eax
|
|
; X86-NEXT: movzwl {{[0-9]+}}(%esp), %ecx
|
|
; X86-NEXT: movd %ecx, %xmm1
|
|
; X86-NEXT: psrlw %xmm1, %xmm0
|
|
; X86-NEXT: movdqa %xmm0, (%eax)
|
|
; X86-NEXT: retl
|
|
;
|
|
; X64-LABEL: shift3b:
|
|
; X64: # %bb.0: # %entry
|
|
; X64-NEXT: movzwl %si, %eax
|
|
; X64-NEXT: movd %eax, %xmm1
|
|
; X64-NEXT: psrlw %xmm1, %xmm0
|
|
; X64-NEXT: movdqa %xmm0, (%rdi)
|
|
; X64-NEXT: retq
|
|
entry:
|
|
%0 = insertelement <8 x i16> undef, i16 %amt, i32 0
|
|
%1 = insertelement <8 x i16> %0, i16 %amt, i32 1
|
|
%2 = insertelement <8 x i16> %1, i16 %amt, i32 2
|
|
%3 = insertelement <8 x i16> %2, i16 %amt, i32 3
|
|
%4 = insertelement <8 x i16> %3, i16 %amt, i32 4
|
|
%5 = insertelement <8 x i16> %4, i16 %amt, i32 5
|
|
%6 = insertelement <8 x i16> %5, i16 %amt, i32 6
|
|
%7 = insertelement <8 x i16> %6, i16 %amt, i32 7
|
|
%lshr = lshr <8 x i16> %val, %7
|
|
store <8 x i16> %lshr, <8 x i16>* %dst
|
|
ret void
|
|
}
|