| ; RUN: opt < %s -wasm-lower-em-ehsjlj -S | FileCheck %s |
| |
| target datalayout = "e-m:e-p:32:32-i64:64-n32:64-S128" |
| target triple = "wasm32-unknown-unknown" |
| |
| %struct.__jmp_buf_tag = type { [6 x i32], i32, [32 x i32] } |
| |
| ; Basic debug info test. All existing instructions have debug info and inserted |
| ; 'malloc' and 'free' calls take debug info from the next instruction. |
| define void @setjmp_debug_info0() !dbg !3 { |
| ; CHECK-LABEL: @setjmp_debug_info0 |
| entry: |
| %buf = alloca [1 x %struct.__jmp_buf_tag], align 16, !dbg !4 |
| %arraydecay = getelementptr inbounds [1 x %struct.__jmp_buf_tag], [1 x %struct.__jmp_buf_tag]* %buf, i32 0, i32 0, !dbg !5 |
| %call = call i32 @setjmp(%struct.__jmp_buf_tag* %arraydecay) #0, !dbg !6 |
| call void @foo(), !dbg !7 |
| ret void, !dbg !8 |
| ; CHECK: entry: |
| ; CHECK-NEXT: call i8* @malloc(i32 40), !dbg ![[DL0:.*]] |
| ; CHECK-NEXT: bitcast {{.*}}, !dbg ![[DL0]] |
| ; CHECK: alloca {{.*}}, !dbg ![[DL0]] |
| ; CHECK: call i32* @saveSetjmp{{.*}}, !dbg ![[DL1:.*]] |
| ; CHECK-NEXT: call i32 @getTempRet0{{.*}}, !dbg ![[DL1]] |
| ; CHECK-NEXT: br {{.*}}, !dbg ![[DL2:.*]] |
| |
| ; CHECK: entry.split: |
| ; CHECK: call {{.*}} void @__invoke_void{{.*}}, !dbg ![[DL2]] |
| |
| ; CHECK: entry.split.split: |
| ; CHECK-NEXT: bitcast {{.*}}, !dbg ![[DL3:.*]] |
| ; CHECK-NEXT: call void @free{{.*}}, !dbg ![[DL3]] |
| |
| ; CHECK: if.then1: |
| ; CHECK: call i32 @testSetjmp{{.*}}, !dbg ![[DL2]] |
| |
| ; CHECK: if.end: |
| ; CHECK: call i32 @getTempRet0{{.*}}, !dbg ![[DL2]] |
| |
| ; CHECK: if.then2: |
| ; CHECK: call void @emscripten_longjmp{{.*}}, !dbg ![[DL2]] |
| |
| ; CHECK: if.end2: |
| ; CHECK: call void @setTempRet0{{.*}}, !dbg ![[DL2]] |
| } |
| |
| ; No instruction has debug info but the current function (setjmp_debug_info2) |
| ; and the called function (malloc / free) have DISubprograms, so the newly |
| ; generated calls should have debug info attached. We don't have an instruction |
| ; to take debug info from, so we create dummy debug info. |
| define void @setjmp_debug_info1() !dbg !9 { |
| ; CHECK-LABEL: @setjmp_debug_info1 |
| entry: |
| %buf = alloca [1 x %struct.__jmp_buf_tag], align 16 |
| %arraydecay = getelementptr inbounds [1 x %struct.__jmp_buf_tag], [1 x %struct.__jmp_buf_tag]* %buf, i32 0, i32 0 |
| %call = call i32 @setjmp(%struct.__jmp_buf_tag* %arraydecay) #0 |
| call void @foo() |
| ret void |
| ; CHECK: call i8* @malloc(i32 40), !dbg ![[DL_DUMMY:.*]] |
| ; CHECK: call void @free{{.*}}, !dbg ![[DL_DUMMY]] |
| } |
| |
| ; Note that these functions have DISubprograms. |
| declare !dbg !10 i8* @malloc(i32) |
| declare !dbg !11 void @free(i8*) |
| |
| declare void @foo() |
| ; Function Attrs: returns_twice |
| declare i32 @setjmp(%struct.__jmp_buf_tag*) #0 |
| |
| !llvm.dbg.cu = !{!2} |
| !llvm.module.flags = !{!0} |
| |
| !0 = !{i32 2, !"Debug Info Version", i32 3} |
| !1 = !DIFile(filename: "lower-em-sjlj.c", directory: "test") |
| !2 = distinct !DICompileUnit(language: DW_LANG_C99, file: !1) |
| !3 = distinct !DISubprogram(name: "setjmp_debug_info0", unit:!2, file: !1, line: 1) |
| !4 = !DILocation(line:2, scope: !3) |
| !5 = !DILocation(line:3, scope: !3) |
| !6 = !DILocation(line:4, scope: !3) |
| !7 = !DILocation(line:5, scope: !3) |
| !8 = !DILocation(line:6, scope: !3) |
| !9 = distinct !DISubprogram(name: "setjmp_debug_info1", unit:!2, file: !1, line: 50) |
| !10 = !DISubprogram(name: "malloc", file: !1, line: 10, isDefinition: false) |
| !11 = !DISubprogram(name: "free", file: !1, line: 20, isDefinition: false) |
| |
| ; Dummy debug info generated |
| ; CHECK: ![[DL_DUMMY]] = !DILocation(line: 50, column: 1, scope: !9) |