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; RUN: llc < %s -march=x86 -mattr=+sse2 -o %t | ||
; RUN: grep movq %t | count 2 | ||
; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py | ||
; RUN: llc < %s -mtriple=i386-unknown -mattr=+sse2 | FileCheck %s --check-prefix=X32 | ||
; RUN: llc < %s -mtriple=x86_64-unknown -mattr=+sse2 | FileCheck %s --check-prefix=X64 | ||
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; Used movq to load i64 into a v2i64 when the top i64 is 0. | ||
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define <2 x i64> @foo1(i64* %y) nounwind { | ||
; X32-LABEL: foo1: | ||
; X32: # BB#0: # %entry | ||
; X32-NEXT: movl {{[0-9]+}}(%esp), %eax | ||
; X32-NEXT: movq {{.*#+}} xmm0 = mem[0],zero | ||
; X32-NEXT: retl | ||
; | ||
; X64-LABEL: foo1: | ||
; X64: # BB#0: # %entry | ||
; X64-NEXT: movq {{.*#+}} xmm0 = mem[0],zero | ||
; X64-NEXT: retq | ||
entry: | ||
%tmp1 = load i64, i64* %y, align 8 ; <i64> [#uses=1] | ||
%s2v = insertelement <2 x i64> undef, i64 %tmp1, i32 0 | ||
%loadl = shufflevector <2 x i64> zeroinitializer, <2 x i64> %s2v, <2 x i32> <i32 2, i32 1> | ||
ret <2 x i64> %loadl | ||
%tmp1 = load i64, i64* %y, align 8 | ||
%s2v = insertelement <2 x i64> undef, i64 %tmp1, i32 0 | ||
%loadl = shufflevector <2 x i64> zeroinitializer, <2 x i64> %s2v, <2 x i32> <i32 2, i32 1> | ||
ret <2 x i64> %loadl | ||
} | ||
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define <4 x float> @foo2(i64* %p) nounwind { | ||
; X32-LABEL: foo2: | ||
; X32: # BB#0: # %entry | ||
; X32-NEXT: movl {{[0-9]+}}(%esp), %eax | ||
; X32-NEXT: movq {{.*#+}} xmm0 = mem[0],zero | ||
; X32-NEXT: retl | ||
; | ||
; X64-LABEL: foo2: | ||
; X64: # BB#0: # %entry | ||
; X64-NEXT: movq {{.*#+}} xmm0 = mem[0],zero | ||
; X64-NEXT: retq | ||
entry: | ||
%load = load i64, i64* %p | ||
%s2v = insertelement <2 x i64> undef, i64 %load, i32 0 | ||
%loadl = shufflevector <2 x i64> zeroinitializer, <2 x i64> %s2v, <2 x i32> <i32 2, i32 1> | ||
%0 = bitcast <2 x i64> %loadl to <4 x float> | ||
ret <4 x float> %0 | ||
%load = load i64, i64* %p | ||
%s2v = insertelement <2 x i64> undef, i64 %load, i32 0 | ||
%loadl = shufflevector <2 x i64> zeroinitializer, <2 x i64> %s2v, <2 x i32> <i32 2, i32 1> | ||
%0 = bitcast <2 x i64> %loadl to <4 x float> | ||
ret <4 x float> %0 | ||
} |