derek.holloway
7502bf64a4
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130 lines
6.0 KiB
LLVM
130 lines
6.0 KiB
LLVM
; NOTE: Assertions have been autogenerated by utils/update_test_checks.py UTC_ARGS: --version 5
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; RUN: opt -S -wasm-lower-em-ehsjlj -wasm-enable-sjlj -mattr=+exception-handling -mtriple=wasm32-unknown-emscripten < %s | FileCheck %s
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@buf = external global i8
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declare i32 @setjmp(ptr) returns_twice
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declare void @dummy()
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define void @test_static() {
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; CHECK-LABEL: define void @test_static() {{.*}} personality ptr @__gxx_wasm_personality_v0 {
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; CHECK-NEXT: [[ENTRY:.*]]:
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; CHECK-NEXT: [[X:%.*]] = alloca i32, align 4
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; CHECK-NEXT: [[FUNCTIONINVOCATIONID:%.*]] = alloca i32, align 4
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; CHECK-NEXT: br label %[[SETJMP_DISPATCH:.*]]
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; CHECK: [[SETJMP_DISPATCH]]:
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; CHECK-NEXT: [[VAL1:%.*]] = phi i32 [ [[VAL:%.*]], %[[IF_END:.*]] ], [ undef, %[[ENTRY]] ]
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; CHECK-NEXT: [[LABEL_PHI:%.*]] = phi i32 [ [[LABEL:%.*]], %[[IF_END]] ], [ -1, %[[ENTRY]] ]
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; CHECK-NEXT: switch i32 [[LABEL_PHI]], label %[[ENTRY_SPLIT:.*]] [
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; CHECK-NEXT: i32 1, label %[[ENTRY_SPLIT_SPLIT:.*]]
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; CHECK-NEXT: ]
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; CHECK: [[ENTRY_SPLIT]]:
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; CHECK-NEXT: call void @llvm.lifetime.start.p0(ptr [[X]])
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; CHECK-NEXT: call void @__wasm_setjmp(ptr @buf, i32 1, ptr [[FUNCTIONINVOCATIONID]])
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; CHECK-NEXT: br label %[[ENTRY_SPLIT_SPLIT]]
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; CHECK: [[ENTRY_SPLIT_SPLIT]]:
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; CHECK-NEXT: [[SETJMP_RET:%.*]] = phi i32 [ 0, %[[ENTRY_SPLIT]] ], [ [[VAL1]], %[[SETJMP_DISPATCH]] ]
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; CHECK-NEXT: [[CMP:%.*]] = icmp eq i32 [[SETJMP_RET]], 0
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; CHECK-NEXT: br i1 [[CMP]], label %[[IF:.*]], label %[[ELSE:.*]]
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; CHECK: [[IF]]:
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; CHECK-NEXT: invoke void @dummy()
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; CHECK-NEXT: to [[DOTNOEXC:label %.*]] unwind label %[[CATCH_DISPATCH_LONGJMP:.*]]
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; CHECK: [[_NOEXC:.*:]]
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; CHECK-NEXT: ret void
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; CHECK: [[ELSE]]:
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; CHECK-NEXT: call void @llvm.lifetime.end.p0(ptr [[X]])
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; CHECK-NEXT: ret void
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; CHECK: [[CATCH_DISPATCH_LONGJMP]]:
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; CHECK-NEXT: [[TMP0:%.*]] = catchswitch within none [label %catch.longjmp] unwind to caller
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; CHECK: [[CATCH_LONGJMP:.*:]]
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; CHECK-NEXT: [[TMP1:%.*]] = catchpad within [[TMP0]] []
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; CHECK-NEXT: [[THROWN:%.*]] = call ptr @llvm.wasm.catch(i32 1)
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; CHECK-NEXT: [[ENV_GEP:%.*]] = getelementptr { ptr, i32 }, ptr [[THROWN]], i32 0, i32 0
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; CHECK-NEXT: [[VAL_GEP:%.*]] = getelementptr { ptr, i32 }, ptr [[THROWN]], i32 0, i32 1
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; CHECK-NEXT: [[ENV:%.*]] = load ptr, ptr [[ENV_GEP]], align 4
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; CHECK-NEXT: [[VAL]] = load i32, ptr [[VAL_GEP]], align 4
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; CHECK-NEXT: [[LABEL]] = call i32 @__wasm_setjmp_test(ptr [[ENV]], ptr [[FUNCTIONINVOCATIONID]]) [ "funclet"(token [[TMP1]]) ]
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; CHECK-NEXT: [[TMP2:%.*]] = icmp eq i32 [[LABEL]], 0
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; CHECK-NEXT: br i1 [[TMP2]], label %[[IF_THEN:.*]], label %[[IF_END]]
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; CHECK: [[IF_THEN]]:
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; CHECK-NEXT: call void @__wasm_longjmp(ptr [[ENV]], i32 [[VAL]]) [ "funclet"(token [[TMP1]]) ]
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; CHECK-NEXT: unreachable
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; CHECK: [[IF_END]]:
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; CHECK-NEXT: catchret from [[TMP1]] to label %[[SETJMP_DISPATCH]]
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;
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entry:
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%x = alloca i32, align 4
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call void @llvm.lifetime.start.p0(ptr %x)
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%call = call i32 @setjmp(ptr @buf) returns_twice
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%cmp = icmp eq i32 %call, 0
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br i1 %cmp, label %if, label %else
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if:
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call void @dummy()
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ret void
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else:
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call void @llvm.lifetime.end.p0(ptr %x)
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ret void
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}
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define void @test_dynamic(i32 %size) {
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; CHECK-LABEL: define void @test_dynamic(
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; CHECK-SAME: i32 [[SIZE:%.*]]) {{.*}} personality ptr @__gxx_wasm_personality_v0 {
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; CHECK-NEXT: [[ENTRY:.*]]:
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; CHECK-NEXT: [[FUNCTIONINVOCATIONID:%.*]] = alloca i32, align 4
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; CHECK-NEXT: br label %[[SETJMP_DISPATCH:.*]]
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; CHECK: [[SETJMP_DISPATCH]]:
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; CHECK-NEXT: [[VAL1:%.*]] = phi i32 [ [[VAL:%.*]], %[[IF_END:.*]] ], [ undef, %[[ENTRY]] ]
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; CHECK-NEXT: [[LABEL_PHI:%.*]] = phi i32 [ [[LABEL:%.*]], %[[IF_END]] ], [ -1, %[[ENTRY]] ]
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; CHECK-NEXT: switch i32 [[LABEL_PHI]], label %[[ENTRY_SPLIT:.*]] [
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; CHECK-NEXT: i32 1, label %[[ENTRY_SPLIT_SPLIT:.*]]
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; CHECK-NEXT: ]
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; CHECK: [[ENTRY_SPLIT]]:
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; CHECK-NEXT: [[X:%.*]] = alloca i32, i32 [[SIZE]], align 4
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; CHECK-NEXT: call void @__wasm_setjmp(ptr @buf, i32 1, ptr [[FUNCTIONINVOCATIONID]])
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; CHECK-NEXT: br label %[[ENTRY_SPLIT_SPLIT]]
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; CHECK: [[ENTRY_SPLIT_SPLIT]]:
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; CHECK-NEXT: [[SETJMP_RET:%.*]] = phi i32 [ 0, %[[ENTRY_SPLIT]] ], [ [[VAL1]], %[[SETJMP_DISPATCH]] ]
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; CHECK-NEXT: [[CMP:%.*]] = icmp eq i32 [[SETJMP_RET]], 0
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; CHECK-NEXT: br i1 [[CMP]], label %[[IF:.*]], label %[[ELSE:.*]]
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; CHECK: [[IF]]:
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; CHECK-NEXT: invoke void @dummy()
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; CHECK-NEXT: to [[DOTNOEXC:label %.*]] unwind label %[[CATCH_DISPATCH_LONGJMP:.*]]
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; CHECK: [[_NOEXC:.*:]]
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; CHECK-NEXT: ret void
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; CHECK: [[ELSE]]:
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; CHECK-NEXT: ret void
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; CHECK: [[CATCH_DISPATCH_LONGJMP]]:
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; CHECK-NEXT: [[TMP0:%.*]] = catchswitch within none [label %catch.longjmp] unwind to caller
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; CHECK: [[CATCH_LONGJMP:.*:]]
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; CHECK-NEXT: [[TMP1:%.*]] = catchpad within [[TMP0]] []
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; CHECK-NEXT: [[THROWN:%.*]] = call ptr @llvm.wasm.catch(i32 1)
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; CHECK-NEXT: [[ENV_GEP:%.*]] = getelementptr { ptr, i32 }, ptr [[THROWN]], i32 0, i32 0
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; CHECK-NEXT: [[VAL_GEP:%.*]] = getelementptr { ptr, i32 }, ptr [[THROWN]], i32 0, i32 1
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; CHECK-NEXT: [[ENV:%.*]] = load ptr, ptr [[ENV_GEP]], align 4
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; CHECK-NEXT: [[VAL]] = load i32, ptr [[VAL_GEP]], align 4
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; CHECK-NEXT: [[LABEL]] = call i32 @__wasm_setjmp_test(ptr [[ENV]], ptr [[FUNCTIONINVOCATIONID]]) [ "funclet"(token [[TMP1]]) ]
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; CHECK-NEXT: [[TMP2:%.*]] = icmp eq i32 [[LABEL]], 0
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; CHECK-NEXT: br i1 [[TMP2]], label %[[IF_THEN:.*]], label %[[IF_END]]
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; CHECK: [[IF_THEN]]:
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; CHECK-NEXT: call void @__wasm_longjmp(ptr [[ENV]], i32 [[VAL]]) [ "funclet"(token [[TMP1]]) ]
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; CHECK-NEXT: unreachable
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; CHECK: [[IF_END]]:
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; CHECK-NEXT: catchret from [[TMP1]] to label %[[SETJMP_DISPATCH]]
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;
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entry:
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%x = alloca i32, i32 %size, align 4
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call void @llvm.lifetime.start.p0(ptr %x)
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%call = call i32 @setjmp(ptr @buf) returns_twice
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%cmp = icmp eq i32 %call, 0
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br i1 %cmp, label %if, label %else
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if:
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call void @dummy()
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ret void
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else:
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call void @llvm.lifetime.end.p0(ptr %x)
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ret void
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}
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