forked from OSchip/llvm-project
56 lines
1.8 KiB
LLVM
56 lines
1.8 KiB
LLVM
; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
|
|
; RUN: opt < %s --data-layout "e" -dse -enable-dse-partial-store-merging=true -S | FileCheck %s
|
|
; RUN: opt < %s --data-layout "E" -dse -enable-dse-partial-store-merging=true -S | FileCheck %s
|
|
|
|
; This test used to hit an assertion (see PR41949).
|
|
;
|
|
; Better safe than sorry, do not assume anything about the padding for the
|
|
; i28 store that has 32 bits as store size.
|
|
define void @test1(i32* %p) {
|
|
; CHECK-LABEL: @test1(
|
|
; CHECK-NEXT: [[A:%.*]] = alloca i32
|
|
; CHECK-NEXT: [[B:%.*]] = bitcast i32* [[A]] to i28*
|
|
; CHECK-NEXT: [[C:%.*]] = bitcast i32* [[A]] to { i16, i16 }*
|
|
; CHECK-NEXT: [[C1:%.*]] = getelementptr inbounds { i16, i16 }, { i16, i16 }* [[C]], i32 0, i32 1
|
|
; CHECK-NEXT: store i28 10, i28* [[B]]
|
|
; CHECK-NEXT: store i16 20, i16* [[C1]]
|
|
; CHECK-NEXT: call void @test1(i32* [[A]])
|
|
; CHECK-NEXT: ret void
|
|
;
|
|
%a = alloca i32
|
|
%b = bitcast i32* %a to i28*
|
|
%c = bitcast i32* %a to { i16, i16 }*
|
|
%c1 = getelementptr inbounds { i16, i16 }, { i16, i16 }* %c, i32 0, i32 1
|
|
store i28 10, i28* %b
|
|
store i16 20, i16* %c1
|
|
|
|
call void @test1(i32* %a)
|
|
ret void
|
|
}
|
|
|
|
|
|
; This test used to mis-compile (see PR41949).
|
|
;
|
|
; Better safe than sorry, do not assume anything about the padding for the
|
|
; i12 store that has 16 bits as store size.
|
|
define void @test2(i32* %p) {
|
|
; CHECK-LABEL: @test2(
|
|
; CHECK-NEXT: [[U:%.*]] = alloca i32
|
|
; CHECK-NEXT: [[A:%.*]] = bitcast i32* [[U]] to i32*
|
|
; CHECK-NEXT: [[B:%.*]] = bitcast i32* [[U]] to i12*
|
|
; CHECK-NEXT: store i32 -1, i32* [[A]]
|
|
; CHECK-NEXT: store i12 20, i12* [[B]]
|
|
; CHECK-NEXT: call void @test2(i32* [[U]])
|
|
; CHECK-NEXT: ret void
|
|
;
|
|
%u = alloca i32
|
|
%a = bitcast i32* %u to i32*
|
|
%b = bitcast i32* %u to i12*
|
|
store i32 -1, i32* %a
|
|
store i12 20, i12* %b
|
|
|
|
call void @test2(i32* %u)
|
|
ret void
|
|
}
|
|
|