614 lines
		
	
	
		
			23 KiB
		
	
	
	
		
			LLVM
		
	
	
	
			
		
		
	
	
			614 lines
		
	
	
		
			23 KiB
		
	
	
	
		
			LLVM
		
	
	
	
| ; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
 | |
| ; RUN: llc < %s -mtriple=x86_64-unknown-unknown -mcpu=x86-64 | FileCheck %s --check-prefix=ALL --check-prefix=SSE --check-prefix=SSE2
 | |
| ; RUN: llc < %s -mtriple=x86_64-unknown-unknown -mcpu=x86-64 -mattr=+sse3 | FileCheck %s --check-prefix=ALL --check-prefix=SSE --check-prefix=SSE3
 | |
| ; RUN: llc < %s -mtriple=x86_64-unknown-unknown -mcpu=x86-64 -mattr=+ssse3 | FileCheck %s --check-prefix=ALL --check-prefix=SSE --check-prefix=SSSE3
 | |
| ; RUN: llc < %s -mtriple=x86_64-unknown-unknown -mcpu=x86-64 -mattr=+sse4.1 | FileCheck %s --check-prefix=ALL --check-prefix=SSE --check-prefix=SSE41
 | |
| ; RUN: llc < %s -mtriple=x86_64-unknown-unknown -mcpu=x86-64 -mattr=+avx | FileCheck %s --check-prefix=ALL --check-prefix=AVX --check-prefix=AVX1
 | |
| ; RUN: llc < %s -mtriple=x86_64-unknown-unknown -mcpu=x86-64 -mattr=+avx2 | FileCheck %s --check-prefix=ALL --check-prefix=AVX --check-prefix=AVX2
 | |
| 
 | |
| target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128"
 | |
| target triple = "x86_64-unknown-unknown"
 | |
| 
 | |
| define <2 x double> @insert_v2f64_z1(<2 x double> %a) {
 | |
| ; SSE2-LABEL: insert_v2f64_z1:
 | |
| ; SSE2:       # BB#0:
 | |
| ; SSE2-NEXT:    xorpd %xmm1, %xmm1
 | |
| ; SSE2-NEXT:    movsd {{.*#+}} xmm0 = xmm1[0],xmm0[1]
 | |
| ; SSE2-NEXT:    retq
 | |
| ;
 | |
| ; SSE3-LABEL: insert_v2f64_z1:
 | |
| ; SSE3:       # BB#0:
 | |
| ; SSE3-NEXT:    xorpd %xmm1, %xmm1
 | |
| ; SSE3-NEXT:    movsd {{.*#+}} xmm0 = xmm1[0],xmm0[1]
 | |
| ; SSE3-NEXT:    retq
 | |
| ;
 | |
| ; SSSE3-LABEL: insert_v2f64_z1:
 | |
| ; SSSE3:       # BB#0:
 | |
| ; SSSE3-NEXT:    xorpd %xmm1, %xmm1
 | |
| ; SSSE3-NEXT:    movsd {{.*#+}} xmm0 = xmm1[0],xmm0[1]
 | |
| ; SSSE3-NEXT:    retq
 | |
| ;
 | |
| ; SSE41-LABEL: insert_v2f64_z1:
 | |
| ; SSE41:       # BB#0:
 | |
| ; SSE41-NEXT:    xorpd %xmm1, %xmm1
 | |
| ; SSE41-NEXT:    blendpd {{.*#+}} xmm0 = xmm1[0],xmm0[1]
 | |
| ; SSE41-NEXT:    retq
 | |
| ;
 | |
| ; AVX-LABEL: insert_v2f64_z1:
 | |
| ; AVX:       # BB#0:
 | |
| ; AVX-NEXT:    vxorpd %xmm1, %xmm1, %xmm1
 | |
| ; AVX-NEXT:    vblendpd {{.*#+}} xmm0 = xmm1[0],xmm0[1]
 | |
| ; AVX-NEXT:    retq
 | |
|   %1 = insertelement <2 x double> %a, double 0.0, i32 0
 | |
|   ret <2 x double> %1
 | |
| }
 | |
| 
 | |
| define <4 x double> @insert_v4f64_0zz3(<4 x double> %a) {
 | |
| ; SSE2-LABEL: insert_v4f64_0zz3:
 | |
| ; SSE2:       # BB#0:
 | |
| ; SSE2-NEXT:    xorpd %xmm2, %xmm2
 | |
| ; SSE2-NEXT:    unpcklpd {{.*#+}} xmm0 = xmm0[0],xmm2[0]
 | |
| ; SSE2-NEXT:    movsd {{.*#+}} xmm1 = xmm2[0],xmm1[1]
 | |
| ; SSE2-NEXT:    retq
 | |
| ;
 | |
| ; SSE3-LABEL: insert_v4f64_0zz3:
 | |
| ; SSE3:       # BB#0:
 | |
| ; SSE3-NEXT:    xorpd %xmm2, %xmm2
 | |
| ; SSE3-NEXT:    unpcklpd {{.*#+}} xmm0 = xmm0[0],xmm2[0]
 | |
| ; SSE3-NEXT:    movsd {{.*#+}} xmm1 = xmm2[0],xmm1[1]
 | |
| ; SSE3-NEXT:    retq
 | |
| ;
 | |
| ; SSSE3-LABEL: insert_v4f64_0zz3:
 | |
| ; SSSE3:       # BB#0:
 | |
| ; SSSE3-NEXT:    xorpd %xmm2, %xmm2
 | |
| ; SSSE3-NEXT:    unpcklpd {{.*#+}} xmm0 = xmm0[0],xmm2[0]
 | |
| ; SSSE3-NEXT:    movsd {{.*#+}} xmm1 = xmm2[0],xmm1[1]
 | |
| ; SSSE3-NEXT:    retq
 | |
| ;
 | |
| ; SSE41-LABEL: insert_v4f64_0zz3:
 | |
| ; SSE41:       # BB#0:
 | |
| ; SSE41-NEXT:    movq {{.*#+}} xmm0 = xmm0[0],zero
 | |
| ; SSE41-NEXT:    xorpd %xmm2, %xmm2
 | |
| ; SSE41-NEXT:    blendpd {{.*#+}} xmm1 = xmm2[0],xmm1[1]
 | |
| ; SSE41-NEXT:    retq
 | |
| ;
 | |
| ; AVX-LABEL: insert_v4f64_0zz3:
 | |
| ; AVX:       # BB#0:
 | |
| ; AVX-NEXT:    vxorpd %ymm1, %ymm1, %ymm1
 | |
| ; AVX-NEXT:    vblendpd {{.*#+}} ymm0 = ymm0[0],ymm1[1,2],ymm0[3]
 | |
| ; AVX-NEXT:    retq
 | |
|   %1 = insertelement <4 x double> %a, double 0.0, i32 1
 | |
|   %2 = insertelement <4 x double> %1, double 0.0, i32 2
 | |
|   ret <4 x double> %2
 | |
| }
 | |
| 
 | |
| define <2 x i64> @insert_v2i64_z1(<2 x i64> %a) {
 | |
| ; SSE2-LABEL: insert_v2i64_z1:
 | |
| ; SSE2:       # BB#0:
 | |
| ; SSE2-NEXT:    xorpd %xmm1, %xmm1
 | |
| ; SSE2-NEXT:    movsd {{.*#+}} xmm0 = xmm1[0],xmm0[1]
 | |
| ; SSE2-NEXT:    retq
 | |
| ;
 | |
| ; SSE3-LABEL: insert_v2i64_z1:
 | |
| ; SSE3:       # BB#0:
 | |
| ; SSE3-NEXT:    xorpd %xmm1, %xmm1
 | |
| ; SSE3-NEXT:    movsd {{.*#+}} xmm0 = xmm1[0],xmm0[1]
 | |
| ; SSE3-NEXT:    retq
 | |
| ;
 | |
| ; SSSE3-LABEL: insert_v2i64_z1:
 | |
| ; SSSE3:       # BB#0:
 | |
| ; SSSE3-NEXT:    xorpd %xmm1, %xmm1
 | |
| ; SSSE3-NEXT:    movsd {{.*#+}} xmm0 = xmm1[0],xmm0[1]
 | |
| ; SSSE3-NEXT:    retq
 | |
| ;
 | |
| ; SSE41-LABEL: insert_v2i64_z1:
 | |
| ; SSE41:       # BB#0:
 | |
| ; SSE41-NEXT:    pxor %xmm1, %xmm1
 | |
| ; SSE41-NEXT:    pblendw {{.*#+}} xmm0 = xmm1[0,1,2,3],xmm0[4,5,6,7]
 | |
| ; SSE41-NEXT:    retq
 | |
| ;
 | |
| ; AVX1-LABEL: insert_v2i64_z1:
 | |
| ; AVX1:       # BB#0:
 | |
| ; AVX1-NEXT:    vpxor %xmm1, %xmm1, %xmm1
 | |
| ; AVX1-NEXT:    vpblendw {{.*#+}} xmm0 = xmm1[0,1,2,3],xmm0[4,5,6,7]
 | |
| ; AVX1-NEXT:    retq
 | |
| ;
 | |
| ; AVX2-LABEL: insert_v2i64_z1:
 | |
| ; AVX2:       # BB#0:
 | |
| ; AVX2-NEXT:    vpxor %xmm1, %xmm1, %xmm1
 | |
| ; AVX2-NEXT:    vpblendd {{.*#+}} xmm0 = xmm1[0,1],xmm0[2,3]
 | |
| ; AVX2-NEXT:    retq
 | |
|   %1 = insertelement <2 x i64> %a, i64 0, i32 0
 | |
|   ret <2 x i64> %1
 | |
| }
 | |
| 
 | |
| define <4 x i64> @insert_v4i64_01z3(<4 x i64> %a) {
 | |
| ; SSE2-LABEL: insert_v4i64_01z3:
 | |
| ; SSE2:       # BB#0:
 | |
| ; SSE2-NEXT:    xorpd %xmm2, %xmm2
 | |
| ; SSE2-NEXT:    movsd {{.*#+}} xmm1 = xmm2[0],xmm1[1]
 | |
| ; SSE2-NEXT:    retq
 | |
| ;
 | |
| ; SSE3-LABEL: insert_v4i64_01z3:
 | |
| ; SSE3:       # BB#0:
 | |
| ; SSE3-NEXT:    xorpd %xmm2, %xmm2
 | |
| ; SSE3-NEXT:    movsd {{.*#+}} xmm1 = xmm2[0],xmm1[1]
 | |
| ; SSE3-NEXT:    retq
 | |
| ;
 | |
| ; SSSE3-LABEL: insert_v4i64_01z3:
 | |
| ; SSSE3:       # BB#0:
 | |
| ; SSSE3-NEXT:    xorpd %xmm2, %xmm2
 | |
| ; SSSE3-NEXT:    movsd {{.*#+}} xmm1 = xmm2[0],xmm1[1]
 | |
| ; SSSE3-NEXT:    retq
 | |
| ;
 | |
| ; SSE41-LABEL: insert_v4i64_01z3:
 | |
| ; SSE41:       # BB#0:
 | |
| ; SSE41-NEXT:    pxor %xmm2, %xmm2
 | |
| ; SSE41-NEXT:    pblendw {{.*#+}} xmm1 = xmm2[0,1,2,3],xmm1[4,5,6,7]
 | |
| ; SSE41-NEXT:    retq
 | |
| ;
 | |
| ; AVX1-LABEL: insert_v4i64_01z3:
 | |
| ; AVX1:       # BB#0:
 | |
| ; AVX1-NEXT:    vxorpd %ymm1, %ymm1, %ymm1
 | |
| ; AVX1-NEXT:    vblendpd {{.*#+}} ymm0 = ymm0[0,1],ymm1[2],ymm0[3]
 | |
| ; AVX1-NEXT:    retq
 | |
| ;
 | |
| ; AVX2-LABEL: insert_v4i64_01z3:
 | |
| ; AVX2:       # BB#0:
 | |
| ; AVX2-NEXT:    vpxor %ymm1, %ymm1, %ymm1
 | |
| ; AVX2-NEXT:    vpblendd {{.*#+}} ymm0 = ymm0[0,1,2,3],ymm1[4,5],ymm0[6,7]
 | |
| ; AVX2-NEXT:    retq
 | |
|   %1 = insertelement <4 x i64> %a, i64 0, i32 2
 | |
|   ret <4 x i64> %1
 | |
| }
 | |
| 
 | |
| define <4 x float> @insert_v4f32_01z3(<4 x float> %a) {
 | |
| ; SSE2-LABEL: insert_v4f32_01z3:
 | |
| ; SSE2:       # BB#0:
 | |
| ; SSE2-NEXT:    xorps %xmm1, %xmm1
 | |
| ; SSE2-NEXT:    shufps {{.*#+}} xmm1 = xmm1[0,0],xmm0[3,0]
 | |
| ; SSE2-NEXT:    shufps {{.*#+}} xmm0 = xmm0[0,1],xmm1[0,2]
 | |
| ; SSE2-NEXT:    retq
 | |
| ;
 | |
| ; SSE3-LABEL: insert_v4f32_01z3:
 | |
| ; SSE3:       # BB#0:
 | |
| ; SSE3-NEXT:    xorps %xmm1, %xmm1
 | |
| ; SSE3-NEXT:    shufps {{.*#+}} xmm1 = xmm1[0,0],xmm0[3,0]
 | |
| ; SSE3-NEXT:    shufps {{.*#+}} xmm0 = xmm0[0,1],xmm1[0,2]
 | |
| ; SSE3-NEXT:    retq
 | |
| ;
 | |
| ; SSSE3-LABEL: insert_v4f32_01z3:
 | |
| ; SSSE3:       # BB#0:
 | |
| ; SSSE3-NEXT:    xorps %xmm1, %xmm1
 | |
| ; SSSE3-NEXT:    shufps {{.*#+}} xmm1 = xmm1[0,0],xmm0[3,0]
 | |
| ; SSSE3-NEXT:    shufps {{.*#+}} xmm0 = xmm0[0,1],xmm1[0,2]
 | |
| ; SSSE3-NEXT:    retq
 | |
| ;
 | |
| ; SSE41-LABEL: insert_v4f32_01z3:
 | |
| ; SSE41:       # BB#0:
 | |
| ; SSE41-NEXT:    xorps %xmm1, %xmm1
 | |
| ; SSE41-NEXT:    blendps {{.*#+}} xmm0 = xmm0[0,1],xmm1[2],xmm0[3]
 | |
| ; SSE41-NEXT:    retq
 | |
| ;
 | |
| ; AVX-LABEL: insert_v4f32_01z3:
 | |
| ; AVX:       # BB#0:
 | |
| ; AVX-NEXT:    vxorps %xmm1, %xmm1, %xmm1
 | |
| ; AVX-NEXT:    vblendps {{.*#+}} xmm0 = xmm0[0,1],xmm1[2],xmm0[3]
 | |
| ; AVX-NEXT:    retq
 | |
|   %1 = insertelement <4 x float> %a, float 0.0, i32 2
 | |
|   ret <4 x float> %1
 | |
| }
 | |
| 
 | |
| define <8 x float> @insert_v8f32_z12345z7(<8 x float> %a) {
 | |
| ; SSE2-LABEL: insert_v8f32_z12345z7:
 | |
| ; SSE2:       # BB#0:
 | |
| ; SSE2-NEXT:    xorps %xmm2, %xmm2
 | |
| ; SSE2-NEXT:    movss {{.*#+}} xmm0 = xmm2[0],xmm0[1,2,3]
 | |
| ; SSE2-NEXT:    shufps {{.*#+}} xmm2 = xmm2[0,0],xmm1[3,0]
 | |
| ; SSE2-NEXT:    shufps {{.*#+}} xmm1 = xmm1[0,1],xmm2[0,2]
 | |
| ; SSE2-NEXT:    retq
 | |
| ;
 | |
| ; SSE3-LABEL: insert_v8f32_z12345z7:
 | |
| ; SSE3:       # BB#0:
 | |
| ; SSE3-NEXT:    xorps %xmm2, %xmm2
 | |
| ; SSE3-NEXT:    movss {{.*#+}} xmm0 = xmm2[0],xmm0[1,2,3]
 | |
| ; SSE3-NEXT:    shufps {{.*#+}} xmm2 = xmm2[0,0],xmm1[3,0]
 | |
| ; SSE3-NEXT:    shufps {{.*#+}} xmm1 = xmm1[0,1],xmm2[0,2]
 | |
| ; SSE3-NEXT:    retq
 | |
| ;
 | |
| ; SSSE3-LABEL: insert_v8f32_z12345z7:
 | |
| ; SSSE3:       # BB#0:
 | |
| ; SSSE3-NEXT:    xorps %xmm2, %xmm2
 | |
| ; SSSE3-NEXT:    movss {{.*#+}} xmm0 = xmm2[0],xmm0[1,2,3]
 | |
| ; SSSE3-NEXT:    shufps {{.*#+}} xmm2 = xmm2[0,0],xmm1[3,0]
 | |
| ; SSSE3-NEXT:    shufps {{.*#+}} xmm1 = xmm1[0,1],xmm2[0,2]
 | |
| ; SSSE3-NEXT:    retq
 | |
| ;
 | |
| ; SSE41-LABEL: insert_v8f32_z12345z7:
 | |
| ; SSE41:       # BB#0:
 | |
| ; SSE41-NEXT:    xorps %xmm2, %xmm2
 | |
| ; SSE41-NEXT:    blendps {{.*#+}} xmm0 = xmm2[0],xmm0[1,2,3]
 | |
| ; SSE41-NEXT:    blendps {{.*#+}} xmm1 = xmm1[0,1],xmm2[2],xmm1[3]
 | |
| ; SSE41-NEXT:    retq
 | |
| ;
 | |
| ; AVX-LABEL: insert_v8f32_z12345z7:
 | |
| ; AVX:       # BB#0:
 | |
| ; AVX-NEXT:    vxorps %ymm1, %ymm1, %ymm1
 | |
| ; AVX-NEXT:    vblendps {{.*#+}} ymm0 = ymm1[0],ymm0[1,2,3,4,5],ymm1[6],ymm0[7]
 | |
| ; AVX-NEXT:    retq
 | |
|   %1 = insertelement <8 x float> %a, float 0.0, i32 0
 | |
|   %2 = insertelement <8 x float> %1, float 0.0, i32 6
 | |
|   ret <8 x float> %2
 | |
| }
 | |
| 
 | |
| define <4 x i32> @insert_v4i32_01z3(<4 x i32> %a) {
 | |
| ; SSE2-LABEL: insert_v4i32_01z3:
 | |
| ; SSE2:       # BB#0:
 | |
| ; SSE2-NEXT:    xorl %eax, %eax
 | |
| ; SSE2-NEXT:    movd %eax, %xmm1
 | |
| ; SSE2-NEXT:    shufps {{.*#+}} xmm1 = xmm1[0,0],xmm0[3,0]
 | |
| ; SSE2-NEXT:    shufps {{.*#+}} xmm0 = xmm0[0,1],xmm1[0,2]
 | |
| ; SSE2-NEXT:    retq
 | |
| ;
 | |
| ; SSE3-LABEL: insert_v4i32_01z3:
 | |
| ; SSE3:       # BB#0:
 | |
| ; SSE3-NEXT:    xorl %eax, %eax
 | |
| ; SSE3-NEXT:    movd %eax, %xmm1
 | |
| ; SSE3-NEXT:    shufps {{.*#+}} xmm1 = xmm1[0,0],xmm0[3,0]
 | |
| ; SSE3-NEXT:    shufps {{.*#+}} xmm0 = xmm0[0,1],xmm1[0,2]
 | |
| ; SSE3-NEXT:    retq
 | |
| ;
 | |
| ; SSSE3-LABEL: insert_v4i32_01z3:
 | |
| ; SSSE3:       # BB#0:
 | |
| ; SSSE3-NEXT:    xorl %eax, %eax
 | |
| ; SSSE3-NEXT:    movd %eax, %xmm1
 | |
| ; SSSE3-NEXT:    shufps {{.*#+}} xmm1 = xmm1[0,0],xmm0[3,0]
 | |
| ; SSSE3-NEXT:    shufps {{.*#+}} xmm0 = xmm0[0,1],xmm1[0,2]
 | |
| ; SSSE3-NEXT:    retq
 | |
| ;
 | |
| ; SSE41-LABEL: insert_v4i32_01z3:
 | |
| ; SSE41:       # BB#0:
 | |
| ; SSE41-NEXT:    pxor %xmm1, %xmm1
 | |
| ; SSE41-NEXT:    pblendw {{.*#+}} xmm0 = xmm0[0,1,2,3],xmm1[4,5],xmm0[6,7]
 | |
| ; SSE41-NEXT:    retq
 | |
| ;
 | |
| ; AVX1-LABEL: insert_v4i32_01z3:
 | |
| ; AVX1:       # BB#0:
 | |
| ; AVX1-NEXT:    vpxor %xmm1, %xmm1, %xmm1
 | |
| ; AVX1-NEXT:    vpblendw {{.*#+}} xmm0 = xmm0[0,1,2,3],xmm1[4,5],xmm0[6,7]
 | |
| ; AVX1-NEXT:    retq
 | |
| ;
 | |
| ; AVX2-LABEL: insert_v4i32_01z3:
 | |
| ; AVX2:       # BB#0:
 | |
| ; AVX2-NEXT:    vpxor %xmm1, %xmm1, %xmm1
 | |
| ; AVX2-NEXT:    vpblendd {{.*#+}} xmm0 = xmm0[0,1],xmm1[2],xmm0[3]
 | |
| ; AVX2-NEXT:    retq
 | |
|   %1 = insertelement <4 x i32> %a, i32 0, i32 2
 | |
|   ret <4 x i32> %1
 | |
| }
 | |
| 
 | |
| define <8 x i32> @insert_v8i32_z12345z7(<8 x i32> %a) {
 | |
| ; SSE2-LABEL: insert_v8i32_z12345z7:
 | |
| ; SSE2:       # BB#0:
 | |
| ; SSE2-NEXT:    xorps %xmm2, %xmm2
 | |
| ; SSE2-NEXT:    movss {{.*#+}} xmm0 = xmm2[0],xmm0[1,2,3]
 | |
| ; SSE2-NEXT:    xorl %eax, %eax
 | |
| ; SSE2-NEXT:    movd %eax, %xmm2
 | |
| ; SSE2-NEXT:    shufps {{.*#+}} xmm2 = xmm2[0,0],xmm1[3,0]
 | |
| ; SSE2-NEXT:    shufps {{.*#+}} xmm1 = xmm1[0,1],xmm2[0,2]
 | |
| ; SSE2-NEXT:    retq
 | |
| ;
 | |
| ; SSE3-LABEL: insert_v8i32_z12345z7:
 | |
| ; SSE3:       # BB#0:
 | |
| ; SSE3-NEXT:    xorps %xmm2, %xmm2
 | |
| ; SSE3-NEXT:    movss {{.*#+}} xmm0 = xmm2[0],xmm0[1,2,3]
 | |
| ; SSE3-NEXT:    xorl %eax, %eax
 | |
| ; SSE3-NEXT:    movd %eax, %xmm2
 | |
| ; SSE3-NEXT:    shufps {{.*#+}} xmm2 = xmm2[0,0],xmm1[3,0]
 | |
| ; SSE3-NEXT:    shufps {{.*#+}} xmm1 = xmm1[0,1],xmm2[0,2]
 | |
| ; SSE3-NEXT:    retq
 | |
| ;
 | |
| ; SSSE3-LABEL: insert_v8i32_z12345z7:
 | |
| ; SSSE3:       # BB#0:
 | |
| ; SSSE3-NEXT:    xorps %xmm2, %xmm2
 | |
| ; SSSE3-NEXT:    movss {{.*#+}} xmm0 = xmm2[0],xmm0[1,2,3]
 | |
| ; SSSE3-NEXT:    xorl %eax, %eax
 | |
| ; SSSE3-NEXT:    movd %eax, %xmm2
 | |
| ; SSSE3-NEXT:    shufps {{.*#+}} xmm2 = xmm2[0,0],xmm1[3,0]
 | |
| ; SSSE3-NEXT:    shufps {{.*#+}} xmm1 = xmm1[0,1],xmm2[0,2]
 | |
| ; SSSE3-NEXT:    retq
 | |
| ;
 | |
| ; SSE41-LABEL: insert_v8i32_z12345z7:
 | |
| ; SSE41:       # BB#0:
 | |
| ; SSE41-NEXT:    pxor %xmm2, %xmm2
 | |
| ; SSE41-NEXT:    pblendw {{.*#+}} xmm0 = xmm2[0,1],xmm0[2,3,4,5,6,7]
 | |
| ; SSE41-NEXT:    pblendw {{.*#+}} xmm1 = xmm1[0,1,2,3],xmm2[4,5],xmm1[6,7]
 | |
| ; SSE41-NEXT:    retq
 | |
| ;
 | |
| ; AVX1-LABEL: insert_v8i32_z12345z7:
 | |
| ; AVX1:       # BB#0:
 | |
| ; AVX1-NEXT:    vxorps %ymm1, %ymm1, %ymm1
 | |
| ; AVX1-NEXT:    vblendps {{.*#+}} ymm0 = ymm1[0],ymm0[1,2,3,4,5],ymm1[6],ymm0[7]
 | |
| ; AVX1-NEXT:    retq
 | |
| ;
 | |
| ; AVX2-LABEL: insert_v8i32_z12345z7:
 | |
| ; AVX2:       # BB#0:
 | |
| ; AVX2-NEXT:    vpxor %ymm1, %ymm1, %ymm1
 | |
| ; AVX2-NEXT:    vpblendd {{.*#+}} ymm0 = ymm1[0],ymm0[1,2,3,4,5],ymm1[6],ymm0[7]
 | |
| ; AVX2-NEXT:    retq
 | |
|   %1 = insertelement <8 x i32> %a, i32 0, i32 0
 | |
|   %2 = insertelement <8 x i32> %1, i32 0, i32 6
 | |
|   ret <8 x i32> %2
 | |
| }
 | |
| 
 | |
| define <8 x i16> @insert_v8i16_z12345z7(<8 x i16> %a) {
 | |
| ; SSE2-LABEL: insert_v8i16_z12345z7:
 | |
| ; SSE2:       # BB#0:
 | |
| ; SSE2-NEXT:    xorl %eax, %eax
 | |
| ; SSE2-NEXT:    pinsrw $0, %eax, %xmm0
 | |
| ; SSE2-NEXT:    pinsrw $6, %eax, %xmm0
 | |
| ; SSE2-NEXT:    retq
 | |
| ;
 | |
| ; SSE3-LABEL: insert_v8i16_z12345z7:
 | |
| ; SSE3:       # BB#0:
 | |
| ; SSE3-NEXT:    xorl %eax, %eax
 | |
| ; SSE3-NEXT:    pinsrw $0, %eax, %xmm0
 | |
| ; SSE3-NEXT:    pinsrw $6, %eax, %xmm0
 | |
| ; SSE3-NEXT:    retq
 | |
| ;
 | |
| ; SSSE3-LABEL: insert_v8i16_z12345z7:
 | |
| ; SSSE3:       # BB#0:
 | |
| ; SSSE3-NEXT:    xorl %eax, %eax
 | |
| ; SSSE3-NEXT:    pinsrw $0, %eax, %xmm0
 | |
| ; SSSE3-NEXT:    pinsrw $6, %eax, %xmm0
 | |
| ; SSSE3-NEXT:    retq
 | |
| ;
 | |
| ; SSE41-LABEL: insert_v8i16_z12345z7:
 | |
| ; SSE41:       # BB#0:
 | |
| ; SSE41-NEXT:    pxor %xmm1, %xmm1
 | |
| ; SSE41-NEXT:    pblendw {{.*#+}} xmm0 = xmm1[0],xmm0[1,2,3,4,5],xmm1[6],xmm0[7]
 | |
| ; SSE41-NEXT:    retq
 | |
| ;
 | |
| ; AVX-LABEL: insert_v8i16_z12345z7:
 | |
| ; AVX:       # BB#0:
 | |
| ; AVX-NEXT:    vpxor %xmm1, %xmm1, %xmm1
 | |
| ; AVX-NEXT:    vpblendw {{.*#+}} xmm0 = xmm1[0],xmm0[1,2,3,4,5],xmm1[6],xmm0[7]
 | |
| ; AVX-NEXT:    retq
 | |
|   %1 = insertelement <8 x i16> %a, i16 0, i32 0
 | |
|   %2 = insertelement <8 x i16> %1, i16 0, i32 6
 | |
|   ret <8 x i16> %2
 | |
| }
 | |
| 
 | |
| define <16 x i16> @insert_v16i16_z12345z789ABZDEz(<16 x i16> %a) {
 | |
| ; SSE2-LABEL: insert_v16i16_z12345z789ABZDEz:
 | |
| ; SSE2:       # BB#0:
 | |
| ; SSE2-NEXT:    xorl %eax, %eax
 | |
| ; SSE2-NEXT:    pinsrw $0, %eax, %xmm0
 | |
| ; SSE2-NEXT:    pinsrw $6, %eax, %xmm0
 | |
| ; SSE2-NEXT:    pinsrw $7, %eax, %xmm1
 | |
| ; SSE2-NEXT:    retq
 | |
| ;
 | |
| ; SSE3-LABEL: insert_v16i16_z12345z789ABZDEz:
 | |
| ; SSE3:       # BB#0:
 | |
| ; SSE3-NEXT:    xorl %eax, %eax
 | |
| ; SSE3-NEXT:    pinsrw $0, %eax, %xmm0
 | |
| ; SSE3-NEXT:    pinsrw $6, %eax, %xmm0
 | |
| ; SSE3-NEXT:    pinsrw $7, %eax, %xmm1
 | |
| ; SSE3-NEXT:    retq
 | |
| ;
 | |
| ; SSSE3-LABEL: insert_v16i16_z12345z789ABZDEz:
 | |
| ; SSSE3:       # BB#0:
 | |
| ; SSSE3-NEXT:    xorl %eax, %eax
 | |
| ; SSSE3-NEXT:    pinsrw $0, %eax, %xmm0
 | |
| ; SSSE3-NEXT:    pinsrw $6, %eax, %xmm0
 | |
| ; SSSE3-NEXT:    pinsrw $7, %eax, %xmm1
 | |
| ; SSSE3-NEXT:    retq
 | |
| ;
 | |
| ; SSE41-LABEL: insert_v16i16_z12345z789ABZDEz:
 | |
| ; SSE41:       # BB#0:
 | |
| ; SSE41-NEXT:    pxor %xmm2, %xmm2
 | |
| ; SSE41-NEXT:    pblendw {{.*#+}} xmm0 = xmm2[0],xmm0[1,2,3,4,5],xmm2[6],xmm0[7]
 | |
| ; SSE41-NEXT:    pblendw {{.*#+}} xmm1 = xmm1[0,1,2,3,4,5,6],xmm2[7]
 | |
| ; SSE41-NEXT:    retq
 | |
| ;
 | |
| ; AVX1-LABEL: insert_v16i16_z12345z789ABZDEz:
 | |
| ; AVX1:       # BB#0:
 | |
| ; AVX1-NEXT:    vpxor %xmm1, %xmm1, %xmm1
 | |
| ; AVX1-NEXT:    vpblendw {{.*#+}} xmm2 = xmm1[0],xmm0[1,2,3,4,5,6,7]
 | |
| ; AVX1-NEXT:    vblendps {{.*#+}} ymm0 = ymm2[0,1,2,3],ymm0[4,5,6,7]
 | |
| ; AVX1-NEXT:    vpblendw {{.*#+}} xmm2 = xmm0[0,1,2,3,4,5],xmm1[6],xmm0[7]
 | |
| ; AVX1-NEXT:    vblendps {{.*#+}} ymm0 = ymm2[0,1,2,3],ymm0[4,5,6,7]
 | |
| ; AVX1-NEXT:    vextractf128 $1, %ymm0, %xmm2
 | |
| ; AVX1-NEXT:    vpblendw {{.*#+}} xmm1 = xmm2[0,1,2,3,4,5,6],xmm1[7]
 | |
| ; AVX1-NEXT:    vinsertf128 $1, %xmm1, %ymm0, %ymm0
 | |
| ; AVX1-NEXT:    retq
 | |
| ;
 | |
| ; AVX2-LABEL: insert_v16i16_z12345z789ABZDEz:
 | |
| ; AVX2:       # BB#0:
 | |
| ; AVX2-NEXT:    vpxor %xmm1, %xmm1, %xmm1
 | |
| ; AVX2-NEXT:    vpblendw {{.*#+}} xmm2 = xmm1[0],xmm0[1,2,3,4,5,6,7]
 | |
| ; AVX2-NEXT:    vpblendd {{.*#+}} ymm0 = ymm2[0,1,2,3],ymm0[4,5,6,7]
 | |
| ; AVX2-NEXT:    vpblendw {{.*#+}} xmm2 = xmm0[0,1,2,3,4,5],xmm1[6],xmm0[7]
 | |
| ; AVX2-NEXT:    vpblendd {{.*#+}} ymm0 = ymm2[0,1,2,3],ymm0[4,5,6,7]
 | |
| ; AVX2-NEXT:    vextracti128 $1, %ymm0, %xmm2
 | |
| ; AVX2-NEXT:    vpblendw {{.*#+}} xmm1 = xmm2[0,1,2,3,4,5,6],xmm1[7]
 | |
| ; AVX2-NEXT:    vinserti128 $1, %xmm1, %ymm0, %ymm0
 | |
| ; AVX2-NEXT:    retq
 | |
|   %1 = insertelement <16 x i16> %a, i16 0, i32 0
 | |
|   %2 = insertelement <16 x i16> %1, i16 0, i32 6
 | |
|   %3 = insertelement <16 x i16> %2, i16 0, i32 15
 | |
|   ret <16 x i16> %3
 | |
| }
 | |
| 
 | |
| define <16 x i8> @insert_v16i8_z123456789ABZDEz(<16 x i8> %a) {
 | |
| ; SSE2-LABEL: insert_v16i8_z123456789ABZDEz:
 | |
| ; SSE2:       # BB#0:
 | |
| ; SSE2-NEXT:    movdqa {{.*#+}} xmm1 = [0,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255]
 | |
| ; SSE2-NEXT:    pand %xmm1, %xmm0
 | |
| ; SSE2-NEXT:    xorl %eax, %eax
 | |
| ; SSE2-NEXT:    movd %eax, %xmm2
 | |
| ; SSE2-NEXT:    pandn %xmm2, %xmm1
 | |
| ; SSE2-NEXT:    por %xmm1, %xmm0
 | |
| ; SSE2-NEXT:    movdqa {{.*#+}} xmm1 = [255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,0]
 | |
| ; SSE2-NEXT:    pand %xmm1, %xmm0
 | |
| ; SSE2-NEXT:    pslldq {{.*#+}} xmm2 = zero,zero,zero,zero,zero,zero,zero,zero,zero,zero,zero,zero,zero,zero,zero,xmm2[0]
 | |
| ; SSE2-NEXT:    pandn %xmm2, %xmm1
 | |
| ; SSE2-NEXT:    por %xmm1, %xmm0
 | |
| ; SSE2-NEXT:    retq
 | |
| ;
 | |
| ; SSE3-LABEL: insert_v16i8_z123456789ABZDEz:
 | |
| ; SSE3:       # BB#0:
 | |
| ; SSE3-NEXT:    movdqa {{.*#+}} xmm1 = [0,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255]
 | |
| ; SSE3-NEXT:    pand %xmm1, %xmm0
 | |
| ; SSE3-NEXT:    xorl %eax, %eax
 | |
| ; SSE3-NEXT:    movd %eax, %xmm2
 | |
| ; SSE3-NEXT:    pandn %xmm2, %xmm1
 | |
| ; SSE3-NEXT:    por %xmm1, %xmm0
 | |
| ; SSE3-NEXT:    movdqa {{.*#+}} xmm1 = [255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,0]
 | |
| ; SSE3-NEXT:    pand %xmm1, %xmm0
 | |
| ; SSE3-NEXT:    pslldq {{.*#+}} xmm2 = zero,zero,zero,zero,zero,zero,zero,zero,zero,zero,zero,zero,zero,zero,zero,xmm2[0]
 | |
| ; SSE3-NEXT:    pandn %xmm2, %xmm1
 | |
| ; SSE3-NEXT:    por %xmm1, %xmm0
 | |
| ; SSE3-NEXT:    retq
 | |
| ;
 | |
| ; SSSE3-LABEL: insert_v16i8_z123456789ABZDEz:
 | |
| ; SSSE3:       # BB#0:
 | |
| ; SSSE3-NEXT:    pshufb {{.*#+}} xmm0 = zero,xmm0[1,2,3,4,5,6,7,8,9,10,11,12,13,14,15]
 | |
| ; SSSE3-NEXT:    xorl %eax, %eax
 | |
| ; SSSE3-NEXT:    movd %eax, %xmm1
 | |
| ; SSSE3-NEXT:    movdqa %xmm1, %xmm2
 | |
| ; SSSE3-NEXT:    pshufb {{.*#+}} xmm2 = xmm2[0],zero,zero,zero,zero,zero,zero,zero,zero,zero,zero,zero,zero,zero,zero,zero
 | |
| ; SSSE3-NEXT:    por %xmm2, %xmm0
 | |
| ; SSSE3-NEXT:    pshufb {{.*#+}} xmm0 = xmm0[0,1,2,3,4,5,6,7,8,9,10,11,12,13,14],zero
 | |
| ; SSSE3-NEXT:    pshufb {{.*#+}} xmm1 = zero,zero,zero,zero,zero,zero,zero,zero,zero,zero,zero,zero,zero,zero,zero,xmm1[0]
 | |
| ; SSSE3-NEXT:    por %xmm1, %xmm0
 | |
| ; SSSE3-NEXT:    retq
 | |
| ;
 | |
| ; SSE41-LABEL: insert_v16i8_z123456789ABZDEz:
 | |
| ; SSE41:       # BB#0:
 | |
| ; SSE41-NEXT:    xorl %eax, %eax
 | |
| ; SSE41-NEXT:    pinsrb $0, %eax, %xmm0
 | |
| ; SSE41-NEXT:    pinsrb $15, %eax, %xmm0
 | |
| ; SSE41-NEXT:    retq
 | |
| ;
 | |
| ; AVX-LABEL: insert_v16i8_z123456789ABZDEz:
 | |
| ; AVX:       # BB#0:
 | |
| ; AVX-NEXT:    xorl %eax, %eax
 | |
| ; AVX-NEXT:    vpinsrb $0, %eax, %xmm0, %xmm0
 | |
| ; AVX-NEXT:    vpinsrb $15, %eax, %xmm0, %xmm0
 | |
| ; AVX-NEXT:    retq
 | |
|   %1 = insertelement <16 x i8> %a, i8 0, i32 0
 | |
|   %2 = insertelement <16 x i8> %1, i8 0, i32 15
 | |
|   ret <16 x i8> %2
 | |
| }
 | |
| 
 | |
| define <32 x i8> @insert_v32i8_z123456789ABCDEzGHIJKLMNOPQRSTzz(<32 x i8> %a) {
 | |
| ; SSE2-LABEL: insert_v32i8_z123456789ABCDEzGHIJKLMNOPQRSTzz:
 | |
| ; SSE2:       # BB#0:
 | |
| ; SSE2-NEXT:    movdqa {{.*#+}} xmm2 = [0,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255]
 | |
| ; SSE2-NEXT:    pand %xmm2, %xmm0
 | |
| ; SSE2-NEXT:    xorl %eax, %eax
 | |
| ; SSE2-NEXT:    movd %eax, %xmm3
 | |
| ; SSE2-NEXT:    pandn %xmm3, %xmm2
 | |
| ; SSE2-NEXT:    por %xmm2, %xmm0
 | |
| ; SSE2-NEXT:    movdqa {{.*#+}} xmm2 = [255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,0]
 | |
| ; SSE2-NEXT:    pand %xmm2, %xmm0
 | |
| ; SSE2-NEXT:    movdqa %xmm3, %xmm4
 | |
| ; SSE2-NEXT:    pslldq {{.*#+}} xmm4 = zero,zero,zero,zero,zero,zero,zero,zero,zero,zero,zero,zero,zero,zero,zero,xmm4[0]
 | |
| ; SSE2-NEXT:    movdqa {{.*#+}} xmm5 = [255,255,255,255,255,255,255,255,255,255,255,255,255,255,0,255]
 | |
| ; SSE2-NEXT:    pand %xmm5, %xmm1
 | |
| ; SSE2-NEXT:    pslldq {{.*#+}} xmm3 = zero,zero,zero,zero,zero,zero,zero,zero,zero,zero,zero,zero,zero,zero,xmm3[0,1]
 | |
| ; SSE2-NEXT:    pandn %xmm3, %xmm5
 | |
| ; SSE2-NEXT:    por %xmm5, %xmm1
 | |
| ; SSE2-NEXT:    pand %xmm2, %xmm1
 | |
| ; SSE2-NEXT:    pandn %xmm4, %xmm2
 | |
| ; SSE2-NEXT:    por %xmm2, %xmm0
 | |
| ; SSE2-NEXT:    por %xmm2, %xmm1
 | |
| ; SSE2-NEXT:    retq
 | |
| ;
 | |
| ; SSE3-LABEL: insert_v32i8_z123456789ABCDEzGHIJKLMNOPQRSTzz:
 | |
| ; SSE3:       # BB#0:
 | |
| ; SSE3-NEXT:    movdqa {{.*#+}} xmm2 = [0,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255]
 | |
| ; SSE3-NEXT:    pand %xmm2, %xmm0
 | |
| ; SSE3-NEXT:    xorl %eax, %eax
 | |
| ; SSE3-NEXT:    movd %eax, %xmm3
 | |
| ; SSE3-NEXT:    pandn %xmm3, %xmm2
 | |
| ; SSE3-NEXT:    por %xmm2, %xmm0
 | |
| ; SSE3-NEXT:    movdqa {{.*#+}} xmm2 = [255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,0]
 | |
| ; SSE3-NEXT:    pand %xmm2, %xmm0
 | |
| ; SSE3-NEXT:    movdqa %xmm3, %xmm4
 | |
| ; SSE3-NEXT:    pslldq {{.*#+}} xmm4 = zero,zero,zero,zero,zero,zero,zero,zero,zero,zero,zero,zero,zero,zero,zero,xmm4[0]
 | |
| ; SSE3-NEXT:    movdqa {{.*#+}} xmm5 = [255,255,255,255,255,255,255,255,255,255,255,255,255,255,0,255]
 | |
| ; SSE3-NEXT:    pand %xmm5, %xmm1
 | |
| ; SSE3-NEXT:    pslldq {{.*#+}} xmm3 = zero,zero,zero,zero,zero,zero,zero,zero,zero,zero,zero,zero,zero,zero,xmm3[0,1]
 | |
| ; SSE3-NEXT:    pandn %xmm3, %xmm5
 | |
| ; SSE3-NEXT:    por %xmm5, %xmm1
 | |
| ; SSE3-NEXT:    pand %xmm2, %xmm1
 | |
| ; SSE3-NEXT:    pandn %xmm4, %xmm2
 | |
| ; SSE3-NEXT:    por %xmm2, %xmm0
 | |
| ; SSE3-NEXT:    por %xmm2, %xmm1
 | |
| ; SSE3-NEXT:    retq
 | |
| ;
 | |
| ; SSSE3-LABEL: insert_v32i8_z123456789ABCDEzGHIJKLMNOPQRSTzz:
 | |
| ; SSSE3:       # BB#0:
 | |
| ; SSSE3-NEXT:    pshufb {{.*#+}} xmm0 = zero,xmm0[1,2,3,4,5,6,7,8,9,10,11,12,13,14,15]
 | |
| ; SSSE3-NEXT:    xorl %eax, %eax
 | |
| ; SSSE3-NEXT:    movd %eax, %xmm2
 | |
| ; SSSE3-NEXT:    movdqa %xmm2, %xmm3
 | |
| ; SSSE3-NEXT:    pshufb {{.*#+}} xmm3 = xmm3[0],zero,zero,zero,zero,zero,zero,zero,zero,zero,zero,zero,zero,zero,zero,zero
 | |
| ; SSSE3-NEXT:    por %xmm3, %xmm0
 | |
| ; SSSE3-NEXT:    movdqa {{.*#+}} xmm3 = [0,1,2,3,4,5,6,7,8,9,10,11,12,13,14,128]
 | |
| ; SSSE3-NEXT:    pshufb %xmm3, %xmm0
 | |
| ; SSSE3-NEXT:    movdqa %xmm2, %xmm4
 | |
| ; SSSE3-NEXT:    pshufb {{.*#+}} xmm4 = zero,zero,zero,zero,zero,zero,zero,zero,zero,zero,zero,zero,zero,zero,zero,xmm4[0]
 | |
| ; SSSE3-NEXT:    por %xmm4, %xmm0
 | |
| ; SSSE3-NEXT:    pshufb {{.*#+}} xmm1 = xmm1[0,1,2,3,4,5,6,7,8,9,10,11,12,13],zero,xmm1[15]
 | |
| ; SSSE3-NEXT:    pshufb {{.*#+}} xmm2 = zero,zero,zero,zero,zero,zero,zero,zero,zero,zero,zero,zero,zero,zero,xmm2[0],zero
 | |
| ; SSSE3-NEXT:    por %xmm2, %xmm1
 | |
| ; SSSE3-NEXT:    pshufb %xmm3, %xmm1
 | |
| ; SSSE3-NEXT:    por %xmm4, %xmm1
 | |
| ; SSSE3-NEXT:    retq
 | |
| ;
 | |
| ; SSE41-LABEL: insert_v32i8_z123456789ABCDEzGHIJKLMNOPQRSTzz:
 | |
| ; SSE41:       # BB#0:
 | |
| ; SSE41-NEXT:    xorl %eax, %eax
 | |
| ; SSE41-NEXT:    pinsrb $0, %eax, %xmm0
 | |
| ; SSE41-NEXT:    pinsrb $15, %eax, %xmm0
 | |
| ; SSE41-NEXT:    pinsrb $14, %eax, %xmm1
 | |
| ; SSE41-NEXT:    pinsrb $15, %eax, %xmm1
 | |
| ; SSE41-NEXT:    retq
 | |
| ;
 | |
| ; AVX1-LABEL: insert_v32i8_z123456789ABCDEzGHIJKLMNOPQRSTzz:
 | |
| ; AVX1:       # BB#0:
 | |
| ; AVX1-NEXT:    xorl %eax, %eax
 | |
| ; AVX1-NEXT:    vpinsrb $0, %eax, %xmm0, %xmm1
 | |
| ; AVX1-NEXT:    vblendps {{.*#+}} ymm0 = ymm1[0,1,2,3],ymm0[4,5,6,7]
 | |
| ; AVX1-NEXT:    vpinsrb $15, %eax, %xmm0, %xmm1
 | |
| ; AVX1-NEXT:    vblendps {{.*#+}} ymm0 = ymm1[0,1,2,3],ymm0[4,5,6,7]
 | |
| ; AVX1-NEXT:    vextractf128 $1, %ymm0, %xmm1
 | |
| ; AVX1-NEXT:    vpinsrb $14, %eax, %xmm1, %xmm1
 | |
| ; AVX1-NEXT:    vinsertf128 $1, %xmm1, %ymm0, %ymm0
 | |
| ; AVX1-NEXT:    vpinsrb $15, %eax, %xmm1, %xmm1
 | |
| ; AVX1-NEXT:    vinsertf128 $1, %xmm1, %ymm0, %ymm0
 | |
| ; AVX1-NEXT:    retq
 | |
| ;
 | |
| ; AVX2-LABEL: insert_v32i8_z123456789ABCDEzGHIJKLMNOPQRSTzz:
 | |
| ; AVX2:       # BB#0:
 | |
| ; AVX2-NEXT:    xorl %eax, %eax
 | |
| ; AVX2-NEXT:    vpinsrb $0, %eax, %xmm0, %xmm1
 | |
| ; AVX2-NEXT:    vpblendd {{.*#+}} ymm0 = ymm1[0,1,2,3],ymm0[4,5,6,7]
 | |
| ; AVX2-NEXT:    vpinsrb $15, %eax, %xmm0, %xmm1
 | |
| ; AVX2-NEXT:    vpblendd {{.*#+}} ymm0 = ymm1[0,1,2,3],ymm0[4,5,6,7]
 | |
| ; AVX2-NEXT:    vextracti128 $1, %ymm0, %xmm1
 | |
| ; AVX2-NEXT:    vpinsrb $14, %eax, %xmm1, %xmm1
 | |
| ; AVX2-NEXT:    vinserti128 $1, %xmm1, %ymm0, %ymm0
 | |
| ; AVX2-NEXT:    vpinsrb $15, %eax, %xmm1, %xmm1
 | |
| ; AVX2-NEXT:    vinserti128 $1, %xmm1, %ymm0, %ymm0
 | |
| ; AVX2-NEXT:    retq
 | |
|   %1 = insertelement <32 x i8> %a, i8 0, i32 0
 | |
|   %2 = insertelement <32 x i8> %1, i8 0, i32 15
 | |
|   %3 = insertelement <32 x i8> %2, i8 0, i32 30
 | |
|   %4 = insertelement <32 x i8> %3, i8 0, i32 31
 | |
|   ret <32 x i8> %4
 | |
| }
 |