[llvm] 4dec8ec - [NFC][InstCombine] Multi-level aggregate test for phi-of-insertvalue pattern

[Roman Lebedev via llvm-commits]

Author: Roman Lebedev
Date: 2020-08-24T22:39:34+03:00
New Revision: 4dec8ec33d685bac27c047f74723263f3fb03256

URL: https://github.com/llvm/llvm-project/commit/4dec8ec33d685bac27c047f74723263f3fb03256
DIFF: https://github.com/llvm/llvm-project/commit/4dec8ec33d685bac27c047f74723263f3fb03256.diff

LOG: [NFC][InstCombine] Multi-level aggregate test for phi-of-insertvalue pattern

See https://reviews.llvm.org/D86306

Added: 
    

Modified: 
    llvm/test/Transforms/InstCombine/phi-of-insertvalues.ll

Removed: 
    


################################################################################
diff  --git a/llvm/test/Transforms/InstCombine/phi-of-insertvalues.ll b/llvm/test/Transforms/InstCombine/phi-of-insertvalues.ll
index dc9c45ca1294..787a7e62769b 100644
--- a/llvm/test/Transforms/InstCombine/phi-of-insertvalues.ll
+++ b/llvm/test/Transforms/InstCombine/phi-of-insertvalues.ll
@@ -224,3 +224,65 @@ end:
   %r = phi { i32, i32 } [ %i0, %left ], [ %i1, %right ]
   ret { i32, i32 } %r
 }
+
+; More complex aggregates are fine, too, as long as indicies match.
+define {{ i32, i32 }, { i32, i32 }} @test7({{ i32, i32 }, { i32, i32 }} %agg, i32 %val_left, i32 %val_right, i1 %c) {
+; CHECK-LABEL: @test7(
+; CHECK-NEXT:  entry:
+; CHECK-NEXT:    br i1 [[C:%.*]], label [[LEFT:%.*]], label [[RIGHT:%.*]]
+; CHECK:       left:
+; CHECK-NEXT:    [[I0:%.*]] = insertvalue { { i32, i32 }, { i32, i32 } } [[AGG:%.*]], i32 [[VAL_LEFT:%.*]], 0, 0
+; CHECK-NEXT:    br label [[END:%.*]]
+; CHECK:       right:
+; CHECK-NEXT:    [[I1:%.*]] = insertvalue { { i32, i32 }, { i32, i32 } } [[AGG]], i32 [[VAL_RIGHT:%.*]], 0, 0
+; CHECK-NEXT:    br label [[END]]
+; CHECK:       end:
+; CHECK-NEXT:    [[R:%.*]] = phi { { i32, i32 }, { i32, i32 } } [ [[I0]], [[LEFT]] ], [ [[I1]], [[RIGHT]] ]
+; CHECK-NEXT:    ret { { i32, i32 }, { i32, i32 } } [[R]]
+;
+entry:
+  br i1 %c, label %left, label %right
+
+left:
+  %i0 = insertvalue {{ i32, i32 }, { i32, i32 }} %agg, i32 %val_left, 0, 0
+  br label %end
+
+right:
+  %i1 = insertvalue {{ i32, i32 }, { i32, i32 }} %agg, i32 %val_right, 0, 0
+  br label %end
+
+end:
+  %r = phi {{ i32, i32 }, { i32, i32 }} [ %i0, %left ], [ %i1, %right ]
+  ret {{ i32, i32 }, { i32, i32 }} %r
+}
+
+; The indicies must fully match, on all levels.
+define {{ i32, i32 }, { i32, i32 }} @test8({{ i32, i32 }, { i32, i32 }} %agg, i32 %val_left, i32 %val_right, i1 %c) {
+; CHECK-LABEL: @test8(
+; CHECK-NEXT:  entry:
+; CHECK-NEXT:    br i1 [[C:%.*]], label [[LEFT:%.*]], label [[RIGHT:%.*]]
+; CHECK:       left:
+; CHECK-NEXT:    [[I0:%.*]] = insertvalue { { i32, i32 }, { i32, i32 } } [[AGG:%.*]], i32 [[VAL_LEFT:%.*]], 0, 0
+; CHECK-NEXT:    br label [[END:%.*]]
+; CHECK:       right:
+; CHECK-NEXT:    [[I1:%.*]] = insertvalue { { i32, i32 }, { i32, i32 } } [[AGG]], i32 [[VAL_RIGHT:%.*]], 0, 1
+; CHECK-NEXT:    br label [[END]]
+; CHECK:       end:
+; CHECK-NEXT:    [[R:%.*]] = phi { { i32, i32 }, { i32, i32 } } [ [[I0]], [[LEFT]] ], [ [[I1]], [[RIGHT]] ]
+; CHECK-NEXT:    ret { { i32, i32 }, { i32, i32 } } [[R]]
+;
+entry:
+  br i1 %c, label %left, label %right
+
+left:
+  %i0 = insertvalue {{ i32, i32 }, { i32, i32 }} %agg, i32 %val_left, 0, 0
+  br label %end
+
+right:
+  %i1 = insertvalue {{ i32, i32 }, { i32, i32 }} %agg, i32 %val_right, 0, 1
+  br label %end
+
+end:
+  %r = phi {{ i32, i32 }, { i32, i32 }} [ %i0, %left ], [ %i1, %right ]
+  ret {{ i32, i32 }, { i32, i32 }} %r
+}