35 lines
856 B
LLVM
35 lines
856 B
LLVM
; NOTE: Assertions have been autogenerated by utils/update_test_checks.py UTC_ARGS: --version 4
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; RUN: opt -S -passes=loop-reduce < %s | FileCheck %s
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; Make sure it does not assert.
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define i64 @test() {
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; CHECK-LABEL: define i64 @test() {
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; CHECK-NEXT: bb:
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; CHECK-NEXT: br label [[BB1:%.*]]
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; CHECK: bb1:
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; CHECK-NEXT: br label [[BB2:%.*]]
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; CHECK: bb2:
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; CHECK-NEXT: br i1 true, label [[BB5:%.*]], label [[BB2]]
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; CHECK: bb5:
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; CHECK-NEXT: br label [[BB1]]
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;
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bb:
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br label %bb1
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bb1:
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%phi = phi i8 [ %zext6, %bb5 ], [ 0, %bb ]
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br label %bb2
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bb2:
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%phi3 = phi i8 [ %add, %bb2 ], [ %phi, %bb1 ]
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%phi4 = phi i32 [ 0, %bb2 ], [ 1, %bb1 ]
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%add = add i8 %phi3, 1
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br i1 true, label %bb5, label %bb2
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bb5:
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%zext = zext i8 %add to i32
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%icmp = icmp sge i32 %phi4, 0
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%zext6 = zext i1 %icmp to i8
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br label %bb1
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}
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