8b360c69e9
This patch improves the fix in D110529 to prevent from crashing on value with byval attribute that is not added in SCCP solver. Authored-by: sinan.lin@linux.alibaba.com Reviewed By: ChuanqiXu Differential Revision: https://reviews.llvm.org/D126355
47 lines
1.3 KiB
LLVM
47 lines
1.3 KiB
LLVM
; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
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; RUN: opt -function-specialization -force-function-specialization -func-specialization-on-address -S < %s | FileCheck %s
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; Check that we don't crash and specialise on a scalar global variable with byval attribute.
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; CHECK-NOT: wombat.{{[0-9]+}}
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%struct.pluto = type { %struct.spam }
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%struct.quux = type { i16 }
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%struct.spam = type { i16 }
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@global.5 = external dso_local global i128
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@global.12 = external global %struct.quux
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define internal i16 @wobble(%struct.quux* %arg, i16 %arg1, i128* byval(i128) %arg2, %struct.quux* %arg3) {
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; CHECK-LABEL: @wobble(
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; CHECK-NEXT: bb:
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; CHECK-NEXT: [[TMP34:%.*]] = bitcast i128* [[ARG2:%.*]] to i16*
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; CHECK-NEXT: unreachable
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;
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bb:
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%tmp34 = bitcast i128* %arg2 to i16*
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unreachable
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}
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define internal i16 @snork() {
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; CHECK-LABEL: @snork(
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; CHECK-NEXT: bb4:
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; CHECK-NEXT: [[TMP35:%.*]] = call i16 @wobble(%struct.quux* undef, i16 2, i128* byval(i128) @global.5, %struct.quux* @global.12)
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; CHECK-NEXT: unreachable
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;
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bb4:
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%tmp35 = call i16 @wobble(%struct.quux* undef, i16 2, i128* byval(i128) @global.5, %struct.quux* @global.12)
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unreachable
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}
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define i16 @main() {
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; CHECK-LABEL: @main(
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; CHECK-NEXT: bb:
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; CHECK-NEXT: [[TMP:%.*]] = call i16 @snork()
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; CHECK-NEXT: unreachable
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;
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bb:
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%tmp = call i16 @snork()
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unreachable
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}
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