forked from OSchip/llvm-project
236 lines
7.1 KiB
LLVM
236 lines
7.1 KiB
LLVM
; RUN: opt -S -winehprepare -mtriple=x86_64-windows-msvc < %s \
|
|
; RUN: | FileCheck %s --check-prefix=CHECK --check-prefix=X64
|
|
; RUN: opt -S -winehprepare -mtriple=x86_64-windows-coreclr < %s \
|
|
; RUN: | FileCheck %s --check-prefix=CHECK --check-prefix=X64
|
|
|
|
; This test should also pass in 32-bit using _except_handler3.
|
|
; RUN: sed -e 's/__C_specific_handler/_except_handler3/' %s \
|
|
; RUN: | opt -S -winehprepare -mtriple=i686-windows-msvc \
|
|
; RUN: | FileCheck %s --check-prefix=CHECK --check-prefix=X86
|
|
|
|
declare void @cleanup()
|
|
declare i32 @filt()
|
|
declare void @might_crash()
|
|
declare i32 @__C_specific_handler(...)
|
|
declare i32 @llvm.eh.typeid.for(i8*)
|
|
|
|
define i32 @simple_except_store() personality i32 (...)* @__C_specific_handler {
|
|
entry:
|
|
%retval = alloca i32
|
|
store i32 0, i32* %retval
|
|
invoke void @might_crash()
|
|
to label %return unwind label %lpad
|
|
|
|
lpad:
|
|
%ehvals = landingpad { i8*, i32 }
|
|
catch i32 ()* @filt
|
|
%sel = extractvalue { i8*, i32 } %ehvals, 1
|
|
%filt_sel = tail call i32 @llvm.eh.typeid.for(i8* bitcast (i32 ()* @filt to i8*))
|
|
%matches = icmp eq i32 %sel, %filt_sel
|
|
br i1 %matches, label %__except, label %eh.resume
|
|
|
|
__except:
|
|
store i32 1, i32* %retval
|
|
br label %return
|
|
|
|
return:
|
|
%r = load i32, i32* %retval
|
|
ret i32 %r
|
|
|
|
eh.resume:
|
|
resume { i8*, i32 } %ehvals
|
|
}
|
|
|
|
; CHECK-LABEL: define i32 @simple_except_store()
|
|
; CHECK: landingpad { i8*, i32 }
|
|
; CHECK-NEXT: catch i32 ()* @filt
|
|
; CHECK-NEXT: call i8* (...) @llvm.eh.actions(i32 1, i8* bitcast (i32 ()* @filt to i8*), i32 -1, i8* blockaddress(@simple_except_store, %__except))
|
|
; CHECK-NEXT: indirectbr {{.*}} [label %__except]
|
|
|
|
define i32 @catch_all() personality i32 (...)* @__C_specific_handler {
|
|
entry:
|
|
%retval = alloca i32
|
|
store i32 0, i32* %retval
|
|
invoke void @might_crash()
|
|
to label %return unwind label %lpad
|
|
|
|
lpad:
|
|
%ehvals = landingpad { i8*, i32 }
|
|
catch i8* null
|
|
store i32 1, i32* %retval
|
|
br label %return
|
|
|
|
return:
|
|
%r = load i32, i32* %retval
|
|
ret i32 %r
|
|
}
|
|
|
|
; CHECK-LABEL: define i32 @catch_all()
|
|
; CHECK: landingpad { i8*, i32 }
|
|
; CHECK-NEXT: catch i8* null
|
|
; CHECK-NEXT: call i8* (...) @llvm.eh.actions(i32 1, i8* null, i32 -1, i8* blockaddress(@catch_all, %lpad.split))
|
|
; CHECK-NEXT: indirectbr {{.*}} [label %lpad.split]
|
|
;
|
|
; CHECK: lpad.split:
|
|
; CHECK: store i32 1, i32* %retval
|
|
|
|
|
|
define i32 @except_phi() personality i32 (...)* @__C_specific_handler {
|
|
entry:
|
|
invoke void @might_crash()
|
|
to label %return unwind label %lpad
|
|
|
|
lpad:
|
|
%ehvals = landingpad { i8*, i32 }
|
|
catch i32 ()* @filt
|
|
%sel = extractvalue { i8*, i32 } %ehvals, 1
|
|
%filt_sel = tail call i32 @llvm.eh.typeid.for(i8* bitcast (i32 ()* @filt to i8*))
|
|
%matches = icmp eq i32 %sel, %filt_sel
|
|
br i1 %matches, label %return, label %eh.resume
|
|
|
|
return:
|
|
%r = phi i32 [0, %entry], [1, %lpad]
|
|
ret i32 %r
|
|
|
|
eh.resume:
|
|
resume { i8*, i32 } %ehvals
|
|
}
|
|
|
|
; CHECK-LABEL: define i32 @except_phi()
|
|
; CHECK: landingpad { i8*, i32 }
|
|
; CHECK-NEXT: catch i32 ()* @filt
|
|
; CHECK-NEXT: call i8* (...) @llvm.eh.actions(i32 1, i8* bitcast (i32 ()* @filt to i8*), i32 -1, i8* blockaddress(@except_phi, %lpad.return_crit_edge))
|
|
; CHECK-NEXT: indirectbr {{.*}} [label %lpad.return_crit_edge]
|
|
;
|
|
; CHECK: lpad.return_crit_edge:
|
|
; CHECK: br label %return
|
|
;
|
|
; CHECK: return:
|
|
; CHECK-NEXT: %r = phi i32 [ 0, %entry ], [ 1, %lpad.return_crit_edge ]
|
|
; CHECK-NEXT: ret i32 %r
|
|
|
|
define i32 @except_join() personality i32 (...)* @__C_specific_handler {
|
|
entry:
|
|
invoke void @might_crash()
|
|
to label %return unwind label %lpad
|
|
|
|
lpad:
|
|
%ehvals = landingpad { i8*, i32 }
|
|
catch i32 ()* @filt
|
|
%sel = extractvalue { i8*, i32 } %ehvals, 1
|
|
%filt_sel = tail call i32 @llvm.eh.typeid.for(i8* bitcast (i32 ()* @filt to i8*))
|
|
%matches = icmp eq i32 %sel, %filt_sel
|
|
br i1 %matches, label %return, label %eh.resume
|
|
|
|
return:
|
|
ret i32 0
|
|
|
|
eh.resume:
|
|
resume { i8*, i32 } %ehvals
|
|
}
|
|
|
|
; CHECK-LABEL: define i32 @except_join()
|
|
; CHECK: landingpad { i8*, i32 }
|
|
; CHECK-NEXT: catch i32 ()* @filt
|
|
; CHECK-NEXT: call i8* (...) @llvm.eh.actions(i32 1, i8* bitcast (i32 ()* @filt to i8*), i32 -1, i8* blockaddress(@except_join, %lpad.return_crit_edge))
|
|
; CHECK-NEXT: indirectbr {{.*}} [label %lpad.return_crit_edge]
|
|
;
|
|
; CHECK: lpad.return_crit_edge:
|
|
; CHECK: br label %return
|
|
;
|
|
; CHECK: return:
|
|
; CHECK-NEXT: ret i32 0
|
|
|
|
define i32 @lpad_phi() personality i32 (...)* @__C_specific_handler {
|
|
entry:
|
|
invoke void @might_crash()
|
|
to label %cont unwind label %lpad
|
|
|
|
cont:
|
|
invoke void @might_crash()
|
|
to label %return unwind label %lpad
|
|
|
|
lpad:
|
|
%ncalls.1 = phi i32 [ 0, %entry ], [ 1, %cont ]
|
|
%ehvals = landingpad { i8*, i32 }
|
|
catch i32 ()* @filt
|
|
%sel = extractvalue { i8*, i32 } %ehvals, 1
|
|
%filt_sel = tail call i32 @llvm.eh.typeid.for(i8* bitcast (i32 ()* @filt to i8*))
|
|
%matches = icmp eq i32 %sel, %filt_sel
|
|
br i1 %matches, label %return, label %eh.resume
|
|
|
|
return:
|
|
%r = phi i32 [2, %cont], [%ncalls.1, %lpad]
|
|
ret i32 %r
|
|
|
|
eh.resume:
|
|
resume { i8*, i32 } %ehvals
|
|
}
|
|
|
|
; CHECK-LABEL: define i32 @lpad_phi()
|
|
; CHECK: alloca i32
|
|
; CHECK: store i32 0, i32*
|
|
; CHECK: invoke void @might_crash()
|
|
; CHECK: store i32 1, i32*
|
|
; CHECK: invoke void @might_crash()
|
|
; CHECK: landingpad { i8*, i32 }
|
|
; CHECK-NEXT: cleanup
|
|
; CHECK-NEXT: catch i32 ()* @filt
|
|
; CHECK-NEXT: call i8* (...) @llvm.eh.actions(i32 0, void ({{.*}})* @lpad_phi.cleanup, i32 1, i8* bitcast (i32 ()* @filt to i8*), i32 -1, i8* blockaddress(@lpad_phi, %lpad.return_crit_edge))
|
|
; CHECK-NEXT: indirectbr {{.*}} [label %lpad.return_crit_edge]
|
|
;
|
|
; CHECK: lpad.return_crit_edge:
|
|
; CHECK: load i32, i32*
|
|
; CHECK: br label %return
|
|
;
|
|
; CHECK: return:
|
|
; CHECK-NEXT: %r = phi i32 [ 2, %cont ], [ %{{.*}}, %lpad.return_crit_edge ]
|
|
; CHECK-NEXT: ret i32 %r
|
|
|
|
define i32 @cleanup_and_except() personality i32 (...)* @__C_specific_handler {
|
|
entry:
|
|
invoke void @might_crash()
|
|
to label %return unwind label %lpad
|
|
|
|
lpad:
|
|
%ehvals = landingpad { i8*, i32 }
|
|
cleanup
|
|
catch i32 ()* @filt
|
|
call void @cleanup()
|
|
%sel = extractvalue { i8*, i32 } %ehvals, 1
|
|
%filt_sel = tail call i32 @llvm.eh.typeid.for(i8* bitcast (i32 ()* @filt to i8*))
|
|
%matches = icmp eq i32 %sel, %filt_sel
|
|
br i1 %matches, label %return, label %eh.resume
|
|
|
|
return:
|
|
%r = phi i32 [0, %entry], [1, %lpad]
|
|
ret i32 %r
|
|
|
|
eh.resume:
|
|
resume { i8*, i32 } %ehvals
|
|
}
|
|
|
|
; CHECK-LABEL: define i32 @cleanup_and_except()
|
|
; CHECK: landingpad { i8*, i32 }
|
|
; CHECK-NEXT: cleanup
|
|
; CHECK-NEXT: catch i32 ()* @filt
|
|
; CHECK-NEXT: call i8* (...) @llvm.eh.actions(
|
|
; CHECK: i32 0, void ({{.*}})* @cleanup_and_except.cleanup,
|
|
; CHECK: i32 1, i8* bitcast (i32 ()* @filt to i8*), i32 -1, i8* blockaddress(@cleanup_and_except, %lpad.return_crit_edge))
|
|
; CHECK-NEXT: indirectbr {{.*}} [label %lpad.return_crit_edge]
|
|
;
|
|
; CHECK: lpad.return_crit_edge:
|
|
; CHECK: br label %return
|
|
;
|
|
; CHECK: return:
|
|
; CHECK-NEXT: %r = phi i32 [ 0, %entry ], [ 1, %lpad.return_crit_edge ]
|
|
; CHECK-NEXT: ret i32 %r
|
|
|
|
; FIXME: This cleanup is an artifact of bad demotion.
|
|
; X64-LABEL: define internal void @lpad_phi.cleanup(i8*, i8*)
|
|
; X86-LABEL: define internal void @lpad_phi.cleanup()
|
|
; X86: call i8* @llvm.frameaddress(i32 1)
|
|
; CHECK: call i8* @llvm.localrecover({{.*}})
|
|
; CHECK: load i32
|
|
; CHECK: store i32 %{{.*}}, i32*
|