d29f7f1a7b
Fix ternary operator in for loop argument, it was by mistake not set as CanBeForRangeDecl and led to incorrect codegen. It fixes https://bugs.llvm.org/show_bug.cgi?id=50038. I don't have commit rights. Danila Kutenin. kutdanila@yandex.ru Reviewed By: rsmith Differential Revision: https://reviews.llvm.org/D102502
43 lines
1.8 KiB
C++
43 lines
1.8 KiB
C++
// NOTE: Assertions have been autogenerated by utils/update_cc_test_checks.py
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// RUN: %clang_cc1 -triple x86_64-unknown-linux-gnu -emit-llvm %s -o - | FileCheck %s
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// CHECK-LABEL: @_Z1fv(
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// CHECK-NEXT: entry:
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// CHECK-NEXT: [[RETVAL:%.*]] = alloca i32, align 4
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// CHECK-NEXT: [[I:%.*]] = alloca i32, align 4
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// CHECK-NEXT: [[X:%.*]] = alloca i32, align 4
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// CHECK-NEXT: store i32 0, i32* [[I]], align 4
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// CHECK-NEXT: br label [[FOR_COND:%.*]]
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// CHECK: for.cond:
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// CHECK-NEXT: [[TMP0:%.*]] = load i32, i32* [[I]], align 4
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// CHECK-NEXT: [[CMP:%.*]] = icmp slt i32 [[TMP0]], 2
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// CHECK-NEXT: [[TMP1:%.*]] = zext i1 [[CMP]] to i64
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// CHECK-NEXT: [[COND:%.*]] = select i1 [[CMP]], i32 1, i32 0
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// CHECK-NEXT: store i32 [[COND]], i32* [[X]], align 4
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// CHECK-NEXT: [[TMP2:%.*]] = load i32, i32* [[X]], align 4
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// CHECK-NEXT: [[TOBOOL:%.*]] = icmp ne i32 [[TMP2]], 0
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// CHECK-NEXT: br i1 [[TOBOOL]], label [[FOR_BODY:%.*]], label [[FOR_END:%.*]]
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// CHECK: for.body:
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// CHECK-NEXT: [[TMP3:%.*]] = load i32, i32* [[X]], align 4
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// CHECK-NEXT: store i32 [[TMP3]], i32* [[RETVAL]], align 4
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// CHECK-NEXT: br label [[RETURN:%.*]]
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// CHECK: for.inc:
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// CHECK-NEXT: [[TMP4:%.*]] = load i32, i32* [[I]], align 4
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// CHECK-NEXT: [[INC:%.*]] = add nsw i32 [[TMP4]], 1
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// CHECK-NEXT: store i32 [[INC]], i32* [[I]], align 4
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// CHECK-NEXT: br label [[FOR_COND]], !llvm.loop [[LOOP2:![0-9]+]]
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// CHECK: for.end:
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// CHECK-NEXT: store i32 0, i32* [[RETVAL]], align 4
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// CHECK-NEXT: br label [[RETURN]]
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// CHECK: return:
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// CHECK-NEXT: [[TMP5:%.*]] = load i32, i32* [[RETVAL]], align 4
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// CHECK-NEXT: ret i32 [[TMP5]]
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//
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int f() {
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for (int i = 0; int x = i < 2 ? 1 : 0; i++) {
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return x;
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}
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return 0;
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}
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