Evan Cheng | c363094 | 2009-12-09 21:00:30 +0000 | [diff] [blame^] | 1 | ; RUN: llc < %s -march=x86 -mattr=+sse2 | FileCheck %s |
| 2 | ; rdar://7434544 |
| 3 | |
| 4 | define <2 x i64> @t1() nounwind ssp { |
| 5 | entry: |
| 6 | ; CHECK: t1: |
| 7 | ; CHECK: pshufd $0, (%esp), %xmm0 |
| 8 | %array = alloca [8 x float], align 16 |
| 9 | %arrayidx = getelementptr inbounds [8 x float]* %array, i32 0, i32 0 |
| 10 | %tmp2 = load float* %arrayidx |
| 11 | %vecinit = insertelement <4 x float> undef, float %tmp2, i32 0 |
| 12 | %vecinit5 = insertelement <4 x float> %vecinit, float %tmp2, i32 1 |
| 13 | %vecinit7 = insertelement <4 x float> %vecinit5, float %tmp2, i32 2 |
| 14 | %vecinit9 = insertelement <4 x float> %vecinit7, float %tmp2, i32 3 |
| 15 | %0 = bitcast <4 x float> %vecinit9 to <2 x i64> |
| 16 | ret <2 x i64> %0 |
| 17 | } |
| 18 | |
| 19 | define <2 x i64> @t2() nounwind ssp { |
| 20 | entry: |
| 21 | ; CHECK: t2: |
| 22 | ; CHECK: pshufd $85, (%esp), %xmm0 |
| 23 | %array = alloca [8 x float], align 4 |
| 24 | %arrayidx = getelementptr inbounds [8 x float]* %array, i32 0, i32 1 |
| 25 | %tmp2 = load float* %arrayidx |
| 26 | %vecinit = insertelement <4 x float> undef, float %tmp2, i32 0 |
| 27 | %vecinit5 = insertelement <4 x float> %vecinit, float %tmp2, i32 1 |
| 28 | %vecinit7 = insertelement <4 x float> %vecinit5, float %tmp2, i32 2 |
| 29 | %vecinit9 = insertelement <4 x float> %vecinit7, float %tmp2, i32 3 |
| 30 | %0 = bitcast <4 x float> %vecinit9 to <2 x i64> |
| 31 | ret <2 x i64> %0 |
| 32 | } |
| 33 | |
| 34 | define <4 x float> @t3(float %tmp1, float %tmp2, float %tmp3) nounwind readnone ssp { |
| 35 | entry: |
| 36 | ; CHECK: t3: |
| 37 | ; CHECK: pshufd $-86, (%esp), %xmm0 |
| 38 | %0 = insertelement <4 x float> undef, float %tmp3, i32 0 |
| 39 | %1 = insertelement <4 x float> %0, float %tmp3, i32 1 |
| 40 | %2 = insertelement <4 x float> %1, float %tmp3, i32 2 |
| 41 | %3 = insertelement <4 x float> %2, float %tmp3, i32 3 |
| 42 | ret <4 x float> %3 |
| 43 | } |