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authorStephen Hines <srhines@google.com>2014-12-01 14:51:49 -0800
committerStephen Hines <srhines@google.com>2014-12-02 16:08:10 -0800
commit37ed9c199ca639565f6ce88105f9e39e898d82d0 (patch)
tree8fb36d3910e3ee4c4e1b7422f4f017108efc52f5 /test/Transforms/SLPVectorizer/X86/insert-element-build-vector.ll
parentd2327b22152ced7bc46dc629fc908959e8a52d03 (diff)
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Update aosp/master LLVM for rebase to r222494.
Change-Id: Ic787f5e0124df789bd26f3f24680f45e678eef2d
Diffstat (limited to 'test/Transforms/SLPVectorizer/X86/insert-element-build-vector.ll')
-rw-r--r--test/Transforms/SLPVectorizer/X86/insert-element-build-vector.ll43
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 {