33 lines
1.4 KiB
LLVM
33 lines
1.4 KiB
LLVM
; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
|
|
; RUN: opt < %s -passes=instsimplify -S | FileCheck %s
|
|
|
|
; Test constant fold of constant expression GEP used by ptrtoint (the
|
|
; "offsetof-like expression" case).
|
|
; This used to hit an assert due to not supporting vectors in
|
|
; llvm::ConstantFoldCastInstruction when handling ptrtoint.
|
|
define <2 x i16> @test1() null_pointer_is_valid {
|
|
; CHECK-LABEL: @test1(
|
|
; CHECK-NEXT: entry:
|
|
; CHECK-NEXT: ret <2 x i16> <i16 ptrtoint (ptr getelementptr inbounds ([10 x i32], ptr null, i64 0, i64 5) to i16), i16 ptrtoint (ptr getelementptr inbounds ([10 x i32], ptr null, i64 0, i64 7) to i16)>
|
|
;
|
|
entry:
|
|
%gep = getelementptr inbounds [10 x i32], ptr null, i16 0, <2 x i16> <i16 5, i16 7>
|
|
%vec = ptrtoint <2 x ptr> %gep to <2 x i16>
|
|
ret <2 x i16> %vec
|
|
}
|
|
|
|
; Test constant fold of constant expression GEP used by ptrtoint (the
|
|
; "sizeof-like expression" case).
|
|
; This used to hit an assert due to not supporting vectors in
|
|
; llvm::ConstantFoldCastInstruction when handling ptrtoint.
|
|
define <2 x i16> @test2() null_pointer_is_valid {
|
|
; CHECK-LABEL: @test2(
|
|
; CHECK-NEXT: entry:
|
|
; CHECK-NEXT: ret <2 x i16> <i16 ptrtoint (ptr getelementptr (i32, ptr null, i64 5) to i16), i16 ptrtoint (ptr getelementptr (i32, ptr null, i64 7) to i16)>
|
|
;
|
|
entry:
|
|
%gep = getelementptr i32, ptr null, <2 x i16> <i16 5, i16 7>
|
|
%vec = ptrtoint <2 x ptr> %gep to <2 x i16>
|
|
ret <2 x i16> %vec
|
|
}
|