mirror of
https://github.com/c64scene-ar/llvm-6502.git
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01a1af4fe4
No outlining is necessary for SEH catch blocks. Use the blockaddr of the handler in place of the usual outlined function. Reviewers: majnemer, andrew.w.kaylor Differential Revision: http://reviews.llvm.org/D8370 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@232664 91177308-0d34-0410-b5e6-96231b3b80d8
139 lines
4.0 KiB
LLVM
139 lines
4.0 KiB
LLVM
; RUN: opt -S -winehprepare -sehprepare -mtriple=x86_64-windows-msvc < %s | FileCheck %s
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target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128"
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target triple = "x86_64-pc-windows-msvc"
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declare void @cleanup()
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declare i32 @filt()
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declare void @might_crash()
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declare i32 @__C_specific_handler(...)
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declare i32 @llvm.eh.typeid.for(i8*)
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define i32 @simple_except_store() {
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entry:
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%retval = alloca i32
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store i32 0, i32* %retval
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invoke void @might_crash()
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to label %return unwind label %lpad
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lpad:
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%ehvals = landingpad { i8*, i32 } personality i32 (...)* @__C_specific_handler
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catch i32 ()* @filt
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%sel = extractvalue { i8*, i32 } %ehvals, 1
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%filt_sel = tail call i32 @llvm.eh.typeid.for(i8* bitcast (i32 ()* @filt to i8*))
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%matches = icmp eq i32 %sel, %filt_sel
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br i1 %matches, label %__except, label %eh.resume
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__except:
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store i32 1, i32* %retval
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br label %return
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return:
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%r = load i32, i32* %retval
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ret i32 %r
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eh.resume:
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resume { i8*, i32 } %ehvals
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}
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; CHECK-LABEL: define i32 @simple_except_store()
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; CHECK: landingpad { i8*, i32 }
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; CHECK-NEXT: catch i32 ()* @filt
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; CHECK-NEXT: call i8* (...)* @llvm.eh.actions({{.*}}, i32 0, i8* bitcast (i32 ()* @filt to i8*), i8* null, i8* blockaddress(@simple_except_store, %__except))
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; CHECK-NEXT: indirectbr {{.*}} [label %__except]
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define i32 @catch_all() {
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entry:
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%retval = alloca i32
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store i32 0, i32* %retval
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invoke void @might_crash()
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to label %return unwind label %lpad
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lpad:
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%ehvals = landingpad { i8*, i32 } personality i32 (...)* @__C_specific_handler
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catch i8* null
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store i32 1, i32* %retval
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br label %return
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return:
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%r = load i32, i32* %retval
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ret i32 %r
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}
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; CHECK-LABEL: define i32 @catch_all()
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; CHECK: landingpad { i8*, i32 }
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; CHECK-NEXT: catch i8* null
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; CHECK-NEXT: call i8* (...)* @llvm.eh.actions({{.*}}, i32 0, i8* null, i8* null, i8* blockaddress(@catch_all, %catch.all))
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; CHECK-NEXT: indirectbr {{.*}} [label %catch.all]
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;
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; CHECK: catch.all:
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; CHECK: store i32 1, i32* %retval
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define i32 @except_phi() {
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entry:
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invoke void @might_crash()
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to label %return unwind label %lpad
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lpad:
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%ehvals = landingpad { i8*, i32 } personality i32 (...)* @__C_specific_handler
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catch i32 ()* @filt
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%sel = extractvalue { i8*, i32 } %ehvals, 1
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%filt_sel = tail call i32 @llvm.eh.typeid.for(i8* bitcast (i32 ()* @filt to i8*))
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%matches = icmp eq i32 %sel, %filt_sel
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br i1 %matches, label %return, label %eh.resume
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return:
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%r = phi i32 [0, %entry], [1, %lpad]
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ret i32 %r
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eh.resume:
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resume { i8*, i32 } %ehvals
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}
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; CHECK-LABEL: define i32 @except_phi()
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; CHECK: landingpad { i8*, i32 }
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; CHECK-NEXT: catch i32 ()* @filt
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; CHECK-NEXT: call i8* (...)* @llvm.eh.actions({{.*}}, i32 0, i8* bitcast (i32 ()* @filt to i8*), i8* null, i8* blockaddress(@except_phi, %return))
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; CHECK-NEXT: indirectbr {{.*}} [label %return]
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;
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; CHECK: return:
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; CHECK-NEXT: %r = phi i32 [ 0, %entry ], [ 1, %lpad1 ]
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; CHECK-NEXT: ret i32 %r
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define i32 @cleanup_and_except() {
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entry:
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invoke void @might_crash()
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to label %return unwind label %lpad
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lpad:
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%ehvals = landingpad { i8*, i32 } personality i32 (...)* @__C_specific_handler
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cleanup
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catch i32 ()* @filt
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call void @cleanup()
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%sel = extractvalue { i8*, i32 } %ehvals, 1
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%filt_sel = tail call i32 @llvm.eh.typeid.for(i8* bitcast (i32 ()* @filt to i8*))
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%matches = icmp eq i32 %sel, %filt_sel
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br i1 %matches, label %return, label %eh.resume
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return:
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%r = phi i32 [0, %entry], [1, %lpad]
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ret i32 %r
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eh.resume:
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resume { i8*, i32 } %ehvals
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}
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; CHECK-LABEL: define i32 @cleanup_and_except()
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; CHECK: landingpad { i8*, i32 }
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; CHECK-NEXT: cleanup
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; CHECK-NEXT: catch i32 ()* @filt
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; CHECK-NEXT: call i8* (...)* @llvm.eh.actions(
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; CHECK: i32 1, i8* bitcast (void (i8*, i8*)* @cleanup_and_except.cleanup to i8*),
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; CHECK: i32 0, i8* bitcast (i32 ()* @filt to i8*), i8* null, i8* blockaddress(@cleanup_and_except, %return))
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; CHECK-NEXT: indirectbr {{.*}} [label %return]
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;
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; CHECK: return:
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; CHECK-NEXT: %r = phi i32 [ 0, %entry ], [ 1, %lpad1 ]
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; CHECK-NEXT: ret i32 %r
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