72 lines
2.5 KiB
LLVM
72 lines
2.5 KiB
LLVM
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; NOTE: Assertions have been autogenerated by utils/update_test_checks.py UTC_ARGS: --version 3
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; RUN: opt -S -passes=gvn < %s | FileCheck %s
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; Make sure deduplicated phi nodes are removed from the VN map.
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define i64 @f() {
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; CHECK-LABEL: define i64 @f() {
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; CHECK-NEXT: BB:
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; CHECK-NEXT: store i1 false, ptr null, align 1
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; CHECK-NEXT: br label [[BB2D:%.*]]
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; CHECK: BB2a:
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; CHECK-NEXT: br label [[BB2B:%.*]]
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; CHECK: BB2b:
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; CHECK-NEXT: [[L93_PRE_PRE:%.*]] = load i1, ptr inttoptr (i64 -1 to ptr), align 1
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; CHECK-NEXT: br label [[BB2C:%.*]]
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; CHECK: BB2c:
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; CHECK-NEXT: [[L93_PRE:%.*]] = phi i1 [ [[L93_PRE_PRE]], [[BB2B]] ], [ true, [[BB2D]] ]
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; CHECK-NEXT: [[AZ2:%.*]] = phi i1 [ true, [[BB2B]] ], [ [[AZ:%.*]], [[BB2D]] ]
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; CHECK-NEXT: [[DOTPHI_TRANS_INSERT:%.*]] = sext i1 [[AZ2]] to i64
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; CHECK-NEXT: [[GEP2_PHI_TRANS_INSERT:%.*]] = getelementptr i1, ptr null, i64 [[DOTPHI_TRANS_INSERT]]
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; CHECK-NEXT: br label [[BB2D]]
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; CHECK: BB2d:
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; CHECK-NEXT: [[L93_PRE5:%.*]] = phi i1 [ [[L93_PRE]], [[BB2C]] ], [ false, [[BB:%.*]] ]
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; CHECK-NEXT: [[AZ]] = phi i1 [ [[AZ2]], [[BB2C]] ], [ false, [[BB]] ]
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; CHECK-NEXT: [[TMP0:%.*]] = sext i1 [[AZ]] to i64
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; CHECK-NEXT: [[GEP2:%.*]] = getelementptr i1, ptr null, i64 [[TMP0]]
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; CHECK-NEXT: store i1 [[AZ]], ptr null, align 2
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; CHECK-NEXT: br i1 [[L93_PRE5]], label [[BB2C]], label [[BB1E:%.*]]
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; CHECK: BB1e:
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; CHECK-NEXT: br i1 [[AZ]], label [[BB2F:%.*]], label [[BB4:%.*]]
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; CHECK: BB2f:
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; CHECK-NEXT: store i1 true, ptr null, align 2
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; CHECK-NEXT: br label [[BB2B]]
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; CHECK: BB4:
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; CHECK-NEXT: br label [[BB4]]
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;
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BB:
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store i1 false, ptr null, align 1
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br label %BB2d
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BB2a: ; No predecessors!
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br label %BB2b
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BB2b: ; preds = %BB2f, %BB2a
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br label %BB2c
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BB2c: ; preds = %BB2d, %BB2b
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%0 = phi i1 [ true, %BB2b ], [ %1, %BB2d ]
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br label %BB2d
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BB2d: ; preds = %BB2c, %BB
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%1 = phi i1 [ %0, %BB2c ], [ false, %BB ]
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%2 = sext i1 %1 to i64
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%gep2 = getelementptr i1, ptr null, i64 %2
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%L93 = load i1, ptr %gep2, align 1
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%Az = load i1, ptr null, align 2
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store i1 %1, ptr null, align 2
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br i1 %L93, label %BB2c, label %BB1e
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BB1e: ; preds = %BB2d
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br i1 %Az, label %BB2f, label %BB4
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BB2f: ; preds = %BB1e
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store i1 true, ptr null, align 2
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br label %BB2b
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BB4: ; preds = %BB1e, %BB4
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br label %BB4
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; uselistorder directives
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uselistorder label %BB4, { 1, 0 }
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}
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