[llvm] 7457fe3 - [InstCombine][NFC] Precommit new tests

[Piotr Sobczak via llvm-commits]

Author: Piotr Sobczak
Date: 2021-10-22T17:15:53+02:00
New Revision: 7457fe3dd44a0bc4b0296149c48188accefda5fa

URL: https://github.com/llvm/llvm-project/commit/7457fe3dd44a0bc4b0296149c48188accefda5fa
DIFF: https://github.com/llvm/llvm-project/commit/7457fe3dd44a0bc4b0296149c48188accefda5fa.diff

LOG: [InstCombine][NFC] Precommit new tests

Added: 
    

Modified: 
    llvm/test/Transforms/InstCombine/insert-extract-shuffle.ll

Removed: 
    


################################################################################
diff  --git a/llvm/test/Transforms/InstCombine/insert-extract-shuffle.ll b/llvm/test/Transforms/InstCombine/insert-extract-shuffle.ll
index c090a8d097d72..ec47af3ce2e1f 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