mirror of
https://github.com/RPCS3/llvm-mirror.git
synced 2024-12-11 13:37:07 +00:00
[NFC][SimplifyCFG] Add a test showing invoke->call simplification failure
This commit is contained in:
parent
152f29684a
commit
b96154f169
107
test/Transforms/SimplifyCFG/invoke_unwind_lifetime.ll
Normal file
107
test/Transforms/SimplifyCFG/invoke_unwind_lifetime.ll
Normal file
@ -0,0 +1,107 @@
|
|||||||
|
; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
|
||||||
|
; RUN: opt < %s -simplifycfg -S | FileCheck %s
|
||||||
|
|
||||||
|
declare void @llvm.lifetime.start.p0i8(i64, i8*)
|
||||||
|
declare void @llvm.lifetime.end.p0i8(i64, i8*)
|
||||||
|
|
||||||
|
declare void @escape(i32*)
|
||||||
|
|
||||||
|
declare void @throwing_callee_foo()
|
||||||
|
declare void @throwing_callee_bar()
|
||||||
|
|
||||||
|
declare i32 @__gxx_personality_v0(...)
|
||||||
|
|
||||||
|
define void @caller(i1 %c) personality i8* bitcast (i32 (...)* @__gxx_personality_v0 to i8*) {
|
||||||
|
; CHECK-LABEL: @caller(
|
||||||
|
; CHECK-NEXT: entry:
|
||||||
|
; CHECK-NEXT: [[I0:%.*]] = alloca i32, align 4
|
||||||
|
; CHECK-NEXT: [[I1:%.*]] = bitcast i32* [[I0]] to i8*
|
||||||
|
; CHECK-NEXT: call void @llvm.lifetime.start.p0i8(i64 4, i8* nonnull [[I1]])
|
||||||
|
; CHECK-NEXT: call void @escape(i32* [[I0]])
|
||||||
|
; CHECK-NEXT: [[I2:%.*]] = alloca i32, align 4
|
||||||
|
; CHECK-NEXT: [[I3:%.*]] = bitcast i32* [[I2]] to i8*
|
||||||
|
; CHECK-NEXT: call void @llvm.lifetime.start.p0i8(i64 4, i8* nonnull [[I3]])
|
||||||
|
; CHECK-NEXT: call void @escape(i32* [[I2]])
|
||||||
|
; CHECK-NEXT: [[I4:%.*]] = alloca i32, align 4
|
||||||
|
; CHECK-NEXT: [[I5:%.*]] = bitcast i32* [[I4]] to i8*
|
||||||
|
; CHECK-NEXT: call void @llvm.lifetime.start.p0i8(i64 4, i8* nonnull [[I5]])
|
||||||
|
; CHECK-NEXT: call void @escape(i32* [[I4]])
|
||||||
|
; CHECK-NEXT: [[I6:%.*]] = alloca i32, align 4
|
||||||
|
; CHECK-NEXT: [[I7:%.*]] = bitcast i32* [[I6]] to i8*
|
||||||
|
; CHECK-NEXT: call void @llvm.lifetime.start.p0i8(i64 4, i8* nonnull [[I7]])
|
||||||
|
; CHECK-NEXT: call void @escape(i32* [[I6]])
|
||||||
|
; CHECK-NEXT: br i1 [[C:%.*]], label [[V0:%.*]], label [[V1:%.*]]
|
||||||
|
; CHECK: v0:
|
||||||
|
; CHECK-NEXT: invoke void @throwing_callee_foo()
|
||||||
|
; CHECK-NEXT: to label [[INVOKE_CONT:%.*]] unwind label [[LPAD_V0:%.*]]
|
||||||
|
; CHECK: v1:
|
||||||
|
; CHECK-NEXT: invoke void @throwing_callee_bar()
|
||||||
|
; CHECK-NEXT: to label [[INVOKE_CONT]] unwind label [[LPAD_V1:%.*]]
|
||||||
|
; CHECK: invoke.cont:
|
||||||
|
; CHECK-NEXT: unreachable
|
||||||
|
; CHECK: lpad.v0:
|
||||||
|
; CHECK-NEXT: [[I8:%.*]] = landingpad { i8*, i32 }
|
||||||
|
; CHECK-NEXT: cleanup
|
||||||
|
; CHECK-NEXT: call void @llvm.lifetime.end.p0i8(i64 4, i8* nonnull [[I1]])
|
||||||
|
; CHECK-NEXT: br label [[END:%.*]]
|
||||||
|
; CHECK: lpad.v1:
|
||||||
|
; CHECK-NEXT: [[I9:%.*]] = landingpad { i8*, i32 }
|
||||||
|
; CHECK-NEXT: cleanup
|
||||||
|
; CHECK-NEXT: call void @llvm.lifetime.end.p0i8(i64 4, i8* nonnull [[I3]])
|
||||||
|
; CHECK-NEXT: br label [[END]]
|
||||||
|
; CHECK: end:
|
||||||
|
; CHECK-NEXT: [[I10:%.*]] = phi { i8*, i32 } [ [[I8]], [[LPAD_V0]] ], [ [[I9]], [[LPAD_V1]] ]
|
||||||
|
; CHECK-NEXT: [[I11:%.*]] = phi i8* [ [[I5]], [[LPAD_V0]] ], [ [[I7]], [[LPAD_V1]] ]
|
||||||
|
; CHECK-NEXT: call void @llvm.lifetime.end.p0i8(i64 4, i8* nonnull [[I11]])
|
||||||
|
; CHECK-NEXT: resume { i8*, i32 } [[I10]]
|
||||||
|
;
|
||||||
|
entry:
|
||||||
|
%i0 = alloca i32
|
||||||
|
%i1 = bitcast i32* %i0 to i8*
|
||||||
|
call void @llvm.lifetime.start.p0i8(i64 4, i8* nonnull %i1)
|
||||||
|
call void @escape(i32* %i0)
|
||||||
|
|
||||||
|
%i2 = alloca i32
|
||||||
|
%i3 = bitcast i32* %i2 to i8*
|
||||||
|
call void @llvm.lifetime.start.p0i8(i64 4, i8* nonnull %i3)
|
||||||
|
call void @escape(i32* %i2)
|
||||||
|
|
||||||
|
%i4 = alloca i32
|
||||||
|
%i5 = bitcast i32* %i4 to i8*
|
||||||
|
call void @llvm.lifetime.start.p0i8(i64 4, i8* nonnull %i5)
|
||||||
|
call void @escape(i32* %i4)
|
||||||
|
|
||||||
|
%i6 = alloca i32
|
||||||
|
%i7 = bitcast i32* %i6 to i8*
|
||||||
|
call void @llvm.lifetime.start.p0i8(i64 4, i8* nonnull %i7)
|
||||||
|
call void @escape(i32* %i6)
|
||||||
|
|
||||||
|
br i1 %c, label %v0, label %v1
|
||||||
|
|
||||||
|
v0:
|
||||||
|
invoke void @throwing_callee_foo()
|
||||||
|
to label %invoke.cont unwind label %lpad.v0
|
||||||
|
|
||||||
|
v1:
|
||||||
|
invoke void @throwing_callee_bar()
|
||||||
|
to label %invoke.cont unwind label %lpad.v1
|
||||||
|
|
||||||
|
invoke.cont:
|
||||||
|
unreachable
|
||||||
|
|
||||||
|
lpad.v0:
|
||||||
|
%i8 = landingpad { i8*, i32 } cleanup
|
||||||
|
call void @llvm.lifetime.end.p0i8(i64 4, i8* nonnull %i1)
|
||||||
|
br label %end
|
||||||
|
|
||||||
|
lpad.v1:
|
||||||
|
%i9 = landingpad { i8*, i32 } cleanup
|
||||||
|
call void @llvm.lifetime.end.p0i8(i64 4, i8* nonnull %i3)
|
||||||
|
br label %end
|
||||||
|
|
||||||
|
end:
|
||||||
|
%i10 = phi { i8*, i32 } [ %i8, %lpad.v0 ], [ %i9, %lpad.v1 ]
|
||||||
|
%i11 = phi i8* [ %i5, %lpad.v0 ], [ %i7, %lpad.v1 ]
|
||||||
|
call void @llvm.lifetime.end.p0i8(i64 4, i8* nonnull %i11)
|
||||||
|
resume { i8*, i32 } %i10
|
||||||
|
}
|
Loading…
Reference in New Issue
Block a user