RPCS3/llvm-mirror
1
0
Fork 0
mirror of https://github.com/RPCS3/llvm-mirror.git synced 2024-10-18 18:42:46 +02:00
Code Issues Projects Releases Wiki Activity

[test] Simplify pr33641_remove_arg_dbgvalue.ll

Browse Source 
This makes it pass under the NPM.
The legacy PM pass ran passes on SCCs in a different order, causing
argpromotion to not trigger on @bar().

Reviewed By: rnk

Differential Revision: https://reviews.llvm.org/D89889
This commit is contained in:
Arthur Eubanks 2020-10-21 08:46:25 -07:00
parent 63e3d161d6
commit 40e31d2d13
1 changed files with 14 additions and 70 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

84
test/Transforms/ArgumentPromotion/pr33641_remove_arg_dbgvalue.ll
View File

@ -1,5 +1,5 @@
; NOTE: Assertions have been autogenerated by utils/update_test_checks.py UTC_ARGS: --function-signature --scrub-attributes
; RUN: opt -argpromotion -verify -dse -S %s -o - | FileCheck %s
; RUN: opt -argpromotion -S %s -o - | FileCheck %s
; RUN: opt -passes=argpromotion -S %s -o - | FileCheck %s
; Fix for PR33641. ArgumentPromotion removed the argument to bar but left the call to
; dbg.value which still used the removed argument.
@ -7,86 +7,30 @@
; The %p argument should be removed, and the use of it in dbg.value should be
; changed to undef.
%p_t = type i16*
%fun_t = type void (%p_t)*
%fun_t = type void (i16*)*
define void @foo() {
; CHECK-LABEL: define {{[^@]+}}@foo()
; CHECK-NEXT: ret void
;
%tmp = alloca %fun_t
store %fun_t @bar, %fun_t* %tmp
%a = alloca i16
call void @bar(i16* %a)
ret void
}
define internal void @bar(%p_t %p) {
; CHECK-LABEL: define {{[^@]+}}@bar()
define internal void @bar(i16* %p) {
; CHECK-LABEL: define {{.*}}void @bar()
; CHECK-NEXT: call void @llvm.dbg.value(metadata i16* undef, metadata !3, metadata !DIExpression()), !dbg !5
; CHECK-NEXT: ret void
;
call void @llvm.dbg.value(metadata %p_t %p, metadata !4, metadata !5), !dbg !6
call void @llvm.dbg.value(metadata i16* %p, metadata !3, metadata !DIExpression()), !dbg !5
ret void
}
declare void @llvm.dbg.value(metadata, metadata, metadata)
; Test case where the promoted argument has uses in @callee and we need to
; retain a reference to the original function, because it is stored in @storer.
define void @storer({i32, i32}* %ptr) {
; CHECK-LABEL: define {{[^@]+}}@storer
; CHECK-SAME: ({ i32, i32 }* [[PTR:%.*]])
; CHECK-NEXT: ret void
;
%tmp = alloca i32 ({i32, i32}*)*
store i32 ({i32, i32}*)* @callee, i32 ({i32, i32}*)** %tmp
ret void
}
define i32 @caller() {
; CHECK-LABEL: define {{[^@]+}}@caller()
; CHECK-NEXT: [[TMP:%.*]] = alloca { i32, i32 }, align 8
; CHECK-NEXT: [[F_1:%.*]] = getelementptr { i32, i32 }, { i32, i32 }* [[TMP]], i32 0, i32 1
; CHECK-NEXT: store i32 10, i32* [[F_1]], align 4
; CHECK-NEXT: [[TMP_IDX:%.*]] = getelementptr { i32, i32 }, { i32, i32 }* [[TMP]], i64 0, i32 1
; CHECK-NEXT: [[TMP_IDX_VAL:%.*]] = load i32, i32* [[TMP_IDX]], align 4
; CHECK-NEXT: [[RES:%.*]] = call i32 @callee(i32 [[TMP_IDX_VAL]])
; CHECK-NEXT: ret i32 [[RES]]
;
%tmp = alloca {i32, i32}
%f.1 = getelementptr {i32, i32}, {i32, i32}* %tmp, i32 0, i32 1
store i32 10, i32* %f.1
%res = call i32 @callee({i32, i32}* %tmp)
ret i32 %res
}
define internal i32 @callee({i32, i32}* %ptr) !dbg !7 {
; CHECK-LABEL: define {{[^@]+}}@callee
; CHECK-SAME: (i32 [[PTR_0_1_VAL:%.*]]) !dbg !6
; CHECK-NEXT: call void @llvm.dbg.value(metadata { i32, i32 }* undef, metadata !7, metadata !DIExpression()), !dbg !8
; CHECK-NEXT: call void @llvm.dbg.value(metadata i32 [[PTR_0_1_VAL]], metadata !7, metadata !DIExpression()), !dbg !8
; CHECK-NEXT: ret i32 [[PTR_0_1_VAL]]
;
call void @llvm.dbg.value(metadata {i32, i32}* %ptr, metadata !8, metadata !9), !dbg !10
%f.1 = getelementptr {i32, i32}, {i32, i32}* %ptr, i32 0, i32 1
%l.1 = load i32, i32* %f.1
call void @llvm.dbg.value(metadata i32 %l.1, metadata !8, metadata !9), !dbg !10
ret i32 %l.1
}
declare void @llvm.dbg.value(metadata, metadata, metadata) #0
attributes #0 = { nofree nosync nounwind readnone speculatable willreturn }
!llvm.dbg.cu = !{!0}
!llvm.module.flags = !{!2}
!0 = distinct !DICompileUnit(language: DW_LANG_C, file: !1)
!0 = distinct !DICompileUnit(language: DW_LANG_C, file: !1, isOptimized: false, runtimeVersion: 0, emissionKind: NoDebug)
!1 = !DIFile(filename: "test.c", directory: "")
!2 = !{i32 2, !"Debug Info Version", i32 3}
!3 = distinct !DISubprogram(name: "bar", unit: !0)
!4 = !DILocalVariable(name: "p", scope: !3)
!5 = !DIExpression()
!6 = !DILocation(line: 1, column: 1, scope: !3)
!7 = distinct !DISubprogram(name: "callee", unit: !0)
!8 = !DILocalVariable(name: "c", scope: !7)
!9 = !DIExpression()
!10 = !DILocation(line: 2, column: 2, scope: !7)
!3 = !DILocalVariable(name: "p", scope: !4)
!4 = distinct !DISubprogram(name: "bar", scope: null, spFlags: DISPFlagDefinition, unit: !0)
!5 = !DILocation(line: 1, column: 1, scope: !4)