diff options
Diffstat (limited to 'test/Transforms/SLPVectorizer/X86/insert-element-build-vector.ll')
| -rw-r--r-- | test/Transforms/SLPVectorizer/X86/insert-element-build-vector.ll | 43 |
1 files changed, 43 insertions, 0 deletions
diff --git a/test/Transforms/SLPVectorizer/X86/insert-element-build-vector.ll b/test/Transforms/SLPVectorizer/X86/insert-element-build-vector.ll index 9eda29f..0221613 100644 --- a/test/Transforms/SLPVectorizer/X86/insert-element-build-vector.ll +++ b/test/Transforms/SLPVectorizer/X86/insert-element-build-vector.ll @@ -35,6 +35,49 @@ define <4 x float> @simple_select(<4 x float> %a, <4 x float> %b, <4 x i32> %c) ret <4 x float> %rd } +declare void @llvm.assume(i1) nounwind + +; This entire tree is ephemeral, don't vectorize any of it. +define <4 x float> @simple_select_eph(<4 x float> %a, <4 x float> %b, <4 x i32> %c) #0 { +; CHECK-LABEL: @simple_select_eph( +; CHECK-NOT: icmp ne <4 x i32> +; CHECK-NOT: select <4 x i1> + %c0 = extractelement <4 x i32> %c, i32 0 + %c1 = extractelement <4 x i32> %c, i32 1 + %c2 = extractelement <4 x i32> %c, i32 2 + %c3 = extractelement <4 x i32> %c, i32 3 + %a0 = extractelement <4 x float> %a, i32 0 + %a1 = extractelement <4 x float> %a, i32 1 + %a2 = extractelement <4 x float> %a, i32 2 + %a3 = extractelement <4 x float> %a, i32 3 + %b0 = extractelement <4 x float> %b, i32 0 + %b1 = extractelement <4 x float> %b, i32 1 + %b2 = extractelement <4 x float> %b, i32 2 + %b3 = extractelement <4 x float> %b, i32 3 + %cmp0 = icmp ne i32 %c0, 0 + %cmp1 = icmp ne i32 %c1, 0 + %cmp2 = icmp ne i32 %c2, 0 + %cmp3 = icmp ne i32 %c3, 0 + %s0 = select i1 %cmp0, float %a0, float %b0 + %s1 = select i1 %cmp1, float %a1, float %b1 + %s2 = select i1 %cmp2, float %a2, float %b2 + %s3 = select i1 %cmp3, float %a3, float %b3 + %ra = insertelement <4 x float> undef, float %s0, i32 0 + %rb = insertelement <4 x float> %ra, float %s1, i32 1 + %rc = insertelement <4 x float> %rb, float %s2, i32 2 + %rd = insertelement <4 x float> %rc, float %s3, i32 3 + %q0 = extractelement <4 x float> %rd, i32 0 + %q1 = extractelement <4 x float> %rd, i32 1 + %q2 = extractelement <4 x float> %rd, i32 2 + %q3 = extractelement <4 x float> %rd, i32 3 + %q4 = fadd float %q0, %q1 + %q5 = fadd float %q2, %q3 + %q6 = fadd float %q4, %q5 + %qi = fcmp olt float %q6, %q5 + call void @llvm.assume(i1 %qi) + ret <4 x float> undef +} + ; Insert in an order different from the vector indices to make sure it ; doesn't matter define <4 x float> @simple_select_insert_out_of_order(<4 x float> %a, <4 x float> %b, <4 x i32> %c) #0 { |