From 7457fe3dd44a0bc4b0296149c48188accefda5fa Mon Sep 17 00:00:00 2001
From: Piotr Sobczak <Piotr.Sobczak@amd.com>
Date: Fri, 22 Oct 2021 16:23:24 +0200
Subject: [PATCH] [InstCombine][NFC] Precommit new tests
---
.../InstCombine/insert-extract-shuffle.ll | 56 +++++++++++++++++++
1 file changed, 56 insertions(+)
diff --git a/llvm/test/Transforms/InstCombine/insert-extract-shuffle.ll b/llvm/test/Transforms/InstCombine/insert-extract-shuffle.ll
index c090a8d097d7..ec47af3ce2e1 100644
--- a/llvm/test/Transforms/InstCombine/insert-extract-shuffle.ll
+++ b/llvm/test/Transforms/InstCombine/insert-extract-shuffle.ll
@@ -692,6 +692,32 @@ define <4 x float> @insert_undemanded_element_op1(<4 x float> %x, <4 x float> %y
ret <4 x float> %s
}
+define <5 x float> @insert_undemanded_element_unequal_length_op0(<4 x float> %x, <4 x float> %y) {
+; CHECK-LABEL: @insert_undemanded_element_unequal_length_op0(
+; CHECK-NEXT: [[INS:%.*]] = insertelement <4 x float> [[X:%.*]], float 4.200000e+01, i32 3
+; CHECK-NEXT: call void @use(<4 x float> [[INS]])
+; CHECK-NEXT: [[S:%.*]] = shufflevector <4 x float> [[INS]], <4 x float> [[Y:%.*]], <5 x i32> <i32 undef, i32 0, i32 7, i32 1, i32 4>
+; CHECK-NEXT: ret <5 x float> [[S]]
+;
+ %ins = insertelement <4 x float> %x, float 42.0, i32 3
+ call void @use(<4 x float> %ins)
+ %s = shufflevector <4 x float> %ins, <4 x float> %y, <5 x i32> <i32 undef, i32 0, i32 7, i32 1, i32 4>
+ ret <5 x float> %s
+}
+
+define <5 x float> @insert_undemanded_element_unequal_length_op1(<4 x float> %x, <4 x float> %y) {
+; CHECK-LABEL: @insert_undemanded_element_unequal_length_op1(
+; CHECK-NEXT: [[INS:%.*]] = insertelement <4 x float> [[X:%.*]], float 4.200000e+01, i32 3
+; CHECK-NEXT: call void @use(<4 x float> [[INS]])
+; CHECK-NEXT: [[S:%.*]] = shufflevector <4 x float> [[Y:%.*]], <4 x float> [[INS]], <5 x i32> <i32 undef, i32 3, i32 2, i32 1, i32 4>
+; CHECK-NEXT: ret <5 x float> [[S]]
+;
+ %ins = insertelement <4 x float> %x, float 42.0, i32 3
+ call void @use(<4 x float> %ins)
+ %s = shufflevector <4 x float> %y, <4 x float> %ins, <5 x i32> <i32 undef, i32 3, i32 2, i32 1, i32 4>
+ ret <5 x float> %s
+}
+
; Negative test - shuffle chooses the inserted constant.
define <4 x float> @insert_demanded_element_op0(<4 x float> %x, <4 x float> %y) {
@@ -722,6 +748,36 @@ define <4 x float> @insert_demanded_element_op1(<4 x float> %x, <4 x float> %y)
ret <4 x float> %s
}
+; Negative test - shuffle chooses the inserted constant.
+
+define <5 x float> @insert_demanded_element_unequal_length_op0(<4 x float> %x, <4 x float> %y) {
+; CHECK-LABEL: @insert_demanded_element_unequal_length_op0(
+; CHECK-NEXT: [[INS:%.*]] = insertelement <4 x float> [[X:%.*]], float 4.200000e+01, i32 3
+; CHECK-NEXT: call void @use(<4 x float> [[INS]])
+; CHECK-NEXT: [[S:%.*]] = shufflevector <4 x float> [[INS]], <4 x float> [[Y:%.*]], <5 x i32> <i32 undef, i32 3, i32 2, i32 1, i32 4>
+; CHECK-NEXT: ret <5 x float> [[S]]
+;
+ %ins = insertelement <4 x float> %x, float 42.0, i32 3
+ call void @use(<4 x float> %ins)
+ %s = shufflevector <4 x float> %ins, <4 x float> %y, <5 x i32> <i32 undef, i32 3, i32 2, i32 1, i32 4>
+ ret <5 x float> %s
+}
+
+; Negative test - shuffle chooses the inserted constant.
+
+define <5 x float> @insert_demanded_element_unequal_length_op1(<4 x float> %x, <4 x float> %y) {
+; CHECK-LABEL: @insert_demanded_element_unequal_length_op1(
+; CHECK-NEXT: [[INS:%.*]] = insertelement <4 x float> [[X:%.*]], float 4.300000e+01, i32 3
+; CHECK-NEXT: call void @use(<4 x float> [[INS]])
+; CHECK-NEXT: [[S:%.*]] = shufflevector <4 x float> [[Y:%.*]], <4 x float> [[INS]], <5 x i32> <i32 undef, i32 0, i32 7, i32 1, i32 4>
+; CHECK-NEXT: ret <5 x float> [[S]]
+;
+ %ins = insertelement <4 x float> %x, float 43.0, i32 3
+ call void @use(<4 x float> %ins)
+ %s = shufflevector <4 x float> %y, <4 x float> %ins, <5 x i32> <i32 undef, i32 0, i32 7, i32 1, i32 4>
+ ret <5 x float> %s
+}
+
define <4 x float> @splat_constant(<4 x float> %x) {
; CHECK-LABEL: @splat_constant(
; CHECK-NEXT: [[INS3:%.*]] = insertelement <4 x float> [[X:%.*]], float 3.000000e+00, i32 3
--
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