mirror of
https://github.com/c64scene-ar/llvm-6502.git
synced 2024-12-16 11:30:51 +00:00
c39212a2fc
This switches the sense of the i32 values and updates the test cases. We can also use CHECK-SAME to clean up some tests, and reduce the visual noise from bitcasts. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@232774 91177308-0d34-0410-b5e6-96231b3b80d8
200 lines
8.8 KiB
LLVM
200 lines
8.8 KiB
LLVM
; RUN: opt -mtriple=i386-pc-windows-msvc -winehprepare -S -o - < %s | FileCheck %s
|
|
|
|
; This test is built from the following code:
|
|
; struct A {
|
|
; A(int a);
|
|
; A(const A &o);
|
|
; ~A();
|
|
; int a;
|
|
; };
|
|
;
|
|
; void may_throw();
|
|
;
|
|
; int test(A a) {
|
|
; try {
|
|
; may_throw();
|
|
; }
|
|
; catch (int e) {
|
|
; return a.a + e;
|
|
; }
|
|
; return 0;
|
|
; }
|
|
;
|
|
; The test was built for a 32-bit Windows target and then the reference to
|
|
; the inalloca instruction was manually sunk into the landingpad.
|
|
|
|
; ModuleID = 'cppeh-inalloca.cpp'
|
|
target datalayout = "e-m:w-p:32:32-i64:64-f80:32-n8:16:32-S32"
|
|
target triple = "i386-pc-windows-msvc"
|
|
|
|
%rtti.TypeDescriptor2 = type { i8**, i8*, [3 x i8] }
|
|
%struct.A = type { i32 }
|
|
|
|
$"\01??_R0H@8" = comdat any
|
|
|
|
@"\01??_7type_info@@6B@" = external constant i8*
|
|
@"\01??_R0H@8" = linkonce_odr global %rtti.TypeDescriptor2 { i8** @"\01??_7type_info@@6B@", i8* null, [3 x i8] c".H\00" }, comdat
|
|
|
|
; The function entry should be rewritten like this.
|
|
; CHECK: define i32 @"\01?test@@YAHUA@@@Z"(<{ %struct.A }>* inalloca) #0 {
|
|
; CHECK: entry:
|
|
; CHECK: [[TMP_REGMEM:\%.+]] = alloca <{ %struct.A }>*
|
|
; CHECK: [[TMP:\%.+]] = select i1 true, <{ %struct.A }>* %0, <{ %struct.A }>* undef
|
|
; CHECK: store <{ %struct.A }>* [[TMP]], <{ %struct.A }>** [[TMP_REGMEM]]
|
|
; CHECK: [[RETVAL:\%.+]] = alloca i32, align 4
|
|
; CHECK: [[E_PTR:\%.+]] = alloca i32, align 4
|
|
; CHECK: [[CLEANUP_SLOT:\%.+]] = alloca i32
|
|
; CHECK: call void (...)* @llvm.frameescape(i32* %e, <{ %struct.A }>** [[TMP_REGMEM]], i32* [[RETVAL]], i32* [[CLEANUP_SLOT]])
|
|
; CHECK: invoke void @"\01?may_throw@@YAXXZ"()
|
|
; CHECK: to label %invoke.cont unwind label %[[LPAD_LABEL:lpad[0-9]*]]
|
|
|
|
define i32 @"\01?test@@YAHUA@@@Z"(<{ %struct.A }>* inalloca) #0 {
|
|
entry:
|
|
%retval = alloca i32, align 4
|
|
%exn.slot = alloca i8*
|
|
%ehselector.slot = alloca i32
|
|
%e = alloca i32, align 4
|
|
%cleanup.dest.slot = alloca i32
|
|
invoke void @"\01?may_throw@@YAXXZ"()
|
|
to label %invoke.cont unwind label %lpad
|
|
|
|
invoke.cont: ; preds = %entry
|
|
br label %try.cont
|
|
|
|
; CHECK: [[LPAD_LABEL]]:{{[ ]+}}; preds = %entry
|
|
; CHECK: landingpad { i8*, i32 } personality i8* bitcast (i32 (...)* @__CxxFrameHandler3 to i8*)
|
|
; CHECK-NEXT: cleanup
|
|
; CHECK-NEXT: catch i8* bitcast (%rtti.TypeDescriptor2* @"\01??_R0H@8" to i8*)
|
|
; CHECK-NEXT: [[RECOVER:\%recover.*]] = call i8* (...)* @llvm.eh.actions(i32 1, i8* bitcast (%rtti.TypeDescriptor2* @"\01??_R0H@8" to i8*), i32* %e, i8* (i8*, i8*)* @"\01?test@@YAHUA@@@Z.catch", i32 0, void (i8*, i8*)* @"\01?test@@YAHUA@@@Z.cleanup")
|
|
; CHECK-NEXT: indirectbr i8* [[RECOVER]], [label %cleanup]
|
|
|
|
lpad: ; preds = %entry
|
|
%1 = landingpad { i8*, i32 } personality i8* bitcast (i32 (...)* @__CxxFrameHandler3 to i8*)
|
|
cleanup
|
|
catch i8* bitcast (%rtti.TypeDescriptor2* @"\01??_R0H@8" to i8*)
|
|
%2 = extractvalue { i8*, i32 } %1, 0
|
|
store i8* %2, i8** %exn.slot
|
|
%3 = extractvalue { i8*, i32 } %1, 1
|
|
store i32 %3, i32* %ehselector.slot
|
|
br label %catch.dispatch
|
|
|
|
; CHECK-NOT: catch.dispatch:
|
|
|
|
catch.dispatch: ; preds = %lpad
|
|
%sel = load i32, i32* %ehselector.slot
|
|
%4 = call i32 @llvm.eh.typeid.for(i8* bitcast (%rtti.TypeDescriptor2* @"\01??_R0H@8" to i8*)) #3
|
|
%matches = icmp eq i32 %sel, %4
|
|
br i1 %matches, label %catch, label %ehcleanup
|
|
|
|
; CHECK-NOT: catch:
|
|
|
|
catch: ; preds = %catch.dispatch
|
|
%exn = load i8*, i8** %exn.slot
|
|
%e.i8 = bitcast i32* %e to i8*
|
|
call void @llvm.eh.begincatch(i8* %exn, i8* %e.i8) #3
|
|
%a = getelementptr inbounds <{ %struct.A }>, <{ %struct.A }>* %0, i32 0, i32 0
|
|
%a1 = getelementptr inbounds %struct.A, %struct.A* %a, i32 0, i32 0
|
|
%tmp8 = load i32, i32* %a1, align 4
|
|
%tmp9 = load i32, i32* %e, align 4
|
|
%add = add nsw i32 %tmp8, %tmp9
|
|
store i32 %add, i32* %retval
|
|
store i32 1, i32* %cleanup.dest.slot
|
|
call void @llvm.eh.endcatch() #3
|
|
br label %cleanup
|
|
|
|
try.cont: ; preds = %invoke.cont
|
|
store i32 0, i32* %retval
|
|
store i32 1, i32* %cleanup.dest.slot
|
|
br label %cleanup
|
|
|
|
; The cleanup block should be re-written like this.
|
|
; CHECK: cleanup:{{[ ]+}}; preds = %[[LPAD_LABEL]], %try.cont
|
|
; CHECK-NOT: %a2 = getelementptr inbounds <{ %struct.A }>, <{ %struct.A }>* %0, i32 0, i32 0
|
|
; CHECK: [[TMP_RELOAD:\%.+]] = load volatile <{ %struct.A }>*, <{ %struct.A }>** [[TMP_REGMEM]]
|
|
; CHECK: [[A2:\%.+]] = getelementptr inbounds <{ %struct.A }>, <{ %struct.A }>* [[TMP_RELOAD]], i32 0, i32 0
|
|
; CHECK: call x86_thiscallcc void @"\01??1A@@QAE@XZ"(%struct.A* [[A2]])
|
|
; CHECK: [[TMP1:\%.+]] = load i32, i32* [[RETVAL]]
|
|
; CHECK: ret i32 [[TMP1]]
|
|
|
|
cleanup: ; preds = %try.cont, %catch
|
|
%a2 = getelementptr inbounds <{ %struct.A }>, <{ %struct.A }>* %0, i32 0, i32 0
|
|
call x86_thiscallcc void @"\01??1A@@QAE@XZ"(%struct.A* %a2) #3
|
|
%tmp10 = load i32, i32* %retval
|
|
ret i32 %tmp10
|
|
|
|
; CHECK-NOT: ehcleanup:
|
|
|
|
ehcleanup: ; preds = %catch.dispatch
|
|
%a3 = getelementptr inbounds <{ %struct.A }>, <{ %struct.A }>* %0, i32 0, i32 0
|
|
call x86_thiscallcc void @"\01??1A@@QAE@XZ"(%struct.A* %a3) #3
|
|
br label %eh.resume
|
|
|
|
; CHECK-NOT: eh.resume:
|
|
|
|
eh.resume: ; preds = %ehcleanup
|
|
%exn2 = load i8*, i8** %exn.slot
|
|
%sel3 = load i32, i32* %ehselector.slot
|
|
%lpad.val = insertvalue { i8*, i32 } undef, i8* %exn2, 0
|
|
%lpad.val4 = insertvalue { i8*, i32 } %lpad.val, i32 %sel3, 1
|
|
resume { i8*, i32 } %lpad.val4
|
|
|
|
; CHECK: }
|
|
}
|
|
|
|
; The following catch handler should be outlined.
|
|
; CHECK: define internal i8* @"\01?test@@YAHUA@@@Z.catch"(i8*, i8*) {
|
|
; CHECK: entry:
|
|
; CHECK: [[RECOVER_E:\%.+]] = call i8* @llvm.framerecover(i8* bitcast (i32 (<{ %struct.A }>*)* @"\01?test@@YAHUA@@@Z" to i8*), i8* %1, i32 0)
|
|
; CHECK: [[E_PTR:\%.+]] = bitcast i8* [[RECOVER_E]] to i32*
|
|
; CHECK: [[RECOVER_EH_TEMP:\%.+]] = call i8* @llvm.framerecover(i8* bitcast (i32 (<{ %struct.A }>*)* @"\01?test@@YAHUA@@@Z" to i8*), i8* %1, i32 1)
|
|
; CHECK: [[EH_TEMP:\%.+]] = bitcast i8* [[RECOVER_EH_TEMP]] to <{ %struct.A }>**
|
|
; CHECK: [[TMP_RELOAD:\%.+]] = load <{ %struct.A }>*, <{ %struct.A }>** [[EH_TEMP]]
|
|
; CHECK: [[RECOVER_RETVAL:\%.+]] = call i8* @llvm.framerecover(i8* bitcast (i32 (<{ %struct.A }>*)* @"\01?test@@YAHUA@@@Z" to i8*), i8* %1, i32 2)
|
|
; CHECK: [[RETVAL1:\%.+]] = bitcast i8* [[RECOVER_RETVAL]] to i32*
|
|
; CHECK: [[RECOVER_CLEANUPSLOT:\%.+]] = call i8* @llvm.framerecover(i8* bitcast (i32 (<{ %struct.A }>*)* @"\01?test@@YAHUA@@@Z" to i8*), i8* %1, i32 3)
|
|
; CHECK: [[CLEANUPSLOT1:\%.+]] = bitcast i8* [[RECOVER_CLEANUPSLOT]] to i32*
|
|
; CHECK: [[E_I8PTR:\%.+]] = bitcast i32* [[E_PTR]] to i8*
|
|
; CHECK: [[RECOVER_A:\%.+]] = getelementptr inbounds <{ %struct.A }>, <{ %struct.A }>* [[TMP_RELOAD]], i32 0, i32 0
|
|
; CHECK: [[A1:\%.+]] = getelementptr inbounds %struct.A, %struct.A* [[RECOVER_A]], i32 0, i32 0
|
|
; CHECK: [[TMP2:\%.+]] = load i32, i32* [[A1]], align 4
|
|
; CHECK: [[TMP3:\%.+]] = load i32, i32* [[E_PTR]], align 4
|
|
; CHECK: [[ADD:\%.+]] = add nsw i32 [[TMP2]], [[TMP3]]
|
|
; CHECK: store i32 [[ADD]], i32* [[RETVAL1]]
|
|
; CHECK: store i32 1, i32* [[CLEANUPSLOT1]]
|
|
; CHECK: ret i8* blockaddress(@"\01?test@@YAHUA@@@Z", %cleanup)
|
|
; CHECK: }
|
|
|
|
; The following cleanup handler should be outlined.
|
|
; CHECK: define internal void @"\01?test@@YAHUA@@@Z.cleanup"(i8*, i8*) {
|
|
; CHECK: entry:
|
|
; CHECK: [[RECOVER_EH_TEMP1:\%.+]] = call i8* @llvm.framerecover(i8* bitcast (i32 (<{ %struct.A }>*)* @"\01?test@@YAHUA@@@Z" to i8*), i8* %1, i32 1)
|
|
; CHECK: [[EH_TEMP1:\%.+]] = bitcast i8* [[RECOVER_EH_TEMP]] to <{ %struct.A }>**
|
|
; CHECK: [[TMP_RELOAD1:\%.+]] = load <{ %struct.A }>*, <{ %struct.A }>** [[EH_TEMP1]]
|
|
; CHECK: [[A3:\%.+]] = getelementptr inbounds <{ %struct.A }>, <{ %struct.A }>* [[TMP_RELOAD1]], i32 0, i32 0
|
|
; CHECK: call x86_thiscallcc void @"\01??1A@@QAE@XZ"(%struct.A* [[A3]])
|
|
; CHECK: ret void
|
|
; CHECK: }
|
|
|
|
declare void @"\01?may_throw@@YAXXZ"() #0
|
|
|
|
declare i32 @__CxxFrameHandler3(...)
|
|
|
|
; Function Attrs: nounwind readnone
|
|
declare i32 @llvm.eh.typeid.for(i8*) #1
|
|
|
|
declare void @llvm.eh.begincatch(i8*, i8*)
|
|
|
|
declare void @llvm.eh.endcatch()
|
|
|
|
; Function Attrs: nounwind
|
|
declare x86_thiscallcc void @"\01??1A@@QAE@XZ"(%struct.A*) #2
|
|
|
|
attributes #0 = { "less-precise-fpmad"="false" "no-frame-pointer-elim"="true" "no-frame-pointer-elim-non-leaf" "no-infs-fp-math"="false" "no-nans-fp-math"="false" "stack-protector-buffer-size"="8" "unsafe-fp-math"="false" "use-soft-float"="false" }
|
|
attributes #1 = { nounwind readnone }
|
|
attributes #2 = { nounwind "less-precise-fpmad"="false" "no-frame-pointer-elim"="true" "no-frame-pointer-elim-non-leaf" "no-infs-fp-math"="false" "no-nans-fp-math"="false" "stack-protector-buffer-size"="8" "unsafe-fp-math"="false" "use-soft-float"="false" }
|
|
attributes #3 = { nounwind }
|
|
|
|
!llvm.ident = !{!0}
|
|
|
|
!0 = !{!"clang version 3.7.0 (trunk 228868)"}
|