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authorDimitry Andric <dim@FreeBSD.org>2015-05-27 18:44:32 +0000
committerDimitry Andric <dim@FreeBSD.org>2015-05-27 18:44:32 +0000
commit5a5ac124e1efaf208671f01c46edb15f29ed2a0b (patch)
treea6140557876943cdd800ee997c9317283394b22c /test/Transforms/ConstProp/InsertElement.ll
parentf03b5bed27d0d2eafd68562ce14f8b5e3f1f0801 (diff)
Diffstat (limited to 'test/Transforms/ConstProp/InsertElement.ll')
-rw-r--r--test/Transforms/ConstProp/InsertElement.ll32
1 files changed, 32 insertions, 0 deletions
diff --git a/test/Transforms/ConstProp/InsertElement.ll b/test/Transforms/ConstProp/InsertElement.ll
new file mode 100644
index 000000000000..011ad3f57f46
--- /dev/null
+++ b/test/Transforms/ConstProp/InsertElement.ll
@@ -0,0 +1,32 @@
+; RUN: opt < %s -constprop -S | FileCheck %s
+
+; CHECK-LABEL: @test1
+define i32 @test1() {
+ %A = bitcast i32 2139171423 to float
+ %B = insertelement <1 x float> undef, float %A, i32 0
+ %C = extractelement <1 x float> %B, i32 0
+ %D = bitcast float %C to i32
+ ret i32 %D
+; CHECK: ret i32 2139171423
+}
+
+; CHECK-LABEL: @insertelement
+define <4 x i64> @insertelement() {
+ %vec1 = insertelement <4 x i64> undef, i64 -1, i32 0
+ %vec2 = insertelement <4 x i64> %vec1, i64 -2, i32 1
+ %vec3 = insertelement <4 x i64> %vec2, i64 -3, i32 2
+ %vec4 = insertelement <4 x i64> %vec3, i64 -4, i32 3
+ ; CHECK: ret <4 x i64> <i64 -1, i64 -2, i64 -3, i64 -4>
+ ret <4 x i64> %vec4
+}
+
+; CHECK-LABEL: @insertelement_undef
+define <4 x i64> @insertelement_undef() {
+ %vec1 = insertelement <4 x i64> undef, i64 -1, i32 0
+ %vec2 = insertelement <4 x i64> %vec1, i64 -2, i32 1
+ %vec3 = insertelement <4 x i64> %vec2, i64 -3, i32 2
+ %vec4 = insertelement <4 x i64> %vec3, i64 -4, i32 3
+ %vec5 = insertelement <4 x i64> %vec3, i64 -5, i32 4
+ ; CHECK: ret <4 x i64> undef
+ ret <4 x i64> %vec5
+}