Files
clang-p2996/llvm/test/Transforms/FunctionSpecialization/function-specialization-poison.ll
Alexandros Lamprineas 8136a0172b [FuncSpec] Make the Function Specializer part of the IPSCCP pass.
Reland 877a9f9abe since D138654 (parent)
has been fixed with 9ebaf4fef4 and with
8f1e11c5a7.

Differential Revision: https://reviews.llvm.org/D126455
2022-12-10 14:39:49 +00:00

41 lines
911 B
LLVM

; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
; RUN: opt -passes=ipsccp -specialize-functions -force-function-specialization -S < %s | FileCheck %s
; Check that we don't crash and specialise on a poison value.
%struct.quux = type { i16 }
%struct.spam = type { i16 }
@global.12 = external global %struct.quux, align 1
define internal i16 @wobble(ptr byval(%struct.spam) %arg2) {
; CHECK-LABEL: @wobble(
; CHECK-NEXT: bb:
; CHECK-NEXT: unreachable
;
bb:
unreachable
}
define internal i16 @snork() {
; CHECK-LABEL: @snork(
; CHECK-NEXT: bb4:
; CHECK-NEXT: [[B:%.*]] = call i16 @wobble(ptr poison)
; CHECK-NEXT: unreachable
;
bb4:
%B = call i16 @wobble(ptr poison)
unreachable
}
define i16 @main() {
; CHECK-LABEL: @main(
; CHECK-NEXT: bb:
; CHECK-NEXT: [[A:%.*]] = call i16 @snork()
; CHECK-NEXT: unreachable
;
bb:
%A = call i16 @snork()
unreachable
}