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Add DIExpression::foldConstantMath to CoroSplit #107933

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Merged
merged 1 commit into from
Sep 10, 2024
Merged

Add DIExpression::foldConstantMath to CoroSplit #107933

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1 change: 1 addition & 0 deletions llvm/lib/Transforms/Coroutines/CoroFrame.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -2659,6 +2659,7 @@ salvageDebugInfoImpl(SmallDenseMap<Argument *, AllocaInst *, 4> &ArgToAllocaMap,
Expr = DIExpression::prepend(Expr, DIExpression::DerefBefore);
}

Expr = Expr->foldConstantMath();
return {{*Storage, *Expr}};
}

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8 changes: 4 additions & 4 deletions llvm/test/Transforms/Coroutines/swift-async-dbg.ll
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Expand Up @@ -30,7 +30,7 @@ define swifttailcc void @coroutineA(ptr swiftasync %arg) !dbg !48 {
; CHECK-LABEL: define {{.*}} @coroutineA(
; CHECK-SAME: ptr swiftasync %[[frame_ptr:.*]])
; CHECK: #dbg_declare(ptr %[[frame_ptr]], {{.*}} !DIExpression(
; CHECK-SAME: DW_OP_plus_uconst, 16, DW_OP_plus_uconst, 8)
; CHECK-SAME: DW_OP_plus_uconst, 24)
; CHECK: #dbg_value(ptr %[[frame_ptr]], {{.*}} !DIExpression(
; CHECK-SAME: DW_OP_plus_uconst, 16, DW_OP_deref)
; CHECK: call {{.*}} @swift_task_switch
Expand All @@ -49,7 +49,7 @@ define swifttailcc void @coroutineA(ptr swiftasync %arg) !dbg !48 {
; CHECK-LABEL: define {{.*}} @coroutineATY0_(
; CHECK-SAME: ptr swiftasync %[[frame_ptr:.*]])
; CHECK: #dbg_declare(ptr %[[frame_ptr]], {{.*}} !DIExpression(
; CHECK-SAME: DW_OP_LLVM_entry_value, 1, DW_OP_plus_uconst, 16, DW_OP_plus_uconst, 8)
; CHECK-SAME: DW_OP_LLVM_entry_value, 1, DW_OP_plus_uconst, 24)
; CHECK: #dbg_value(ptr %[[frame_ptr]], {{.*}} !DIExpression(
; CHECK-SAME: DW_OP_LLVM_entry_value, 1, DW_OP_plus_uconst, 16, DW_OP_deref)
; CHECK: #dbg_value(!DIArgList(ptr %[[frame_ptr]], i32 %{{.*}}), {{.*}} !DIExpression(
Expand All @@ -70,7 +70,7 @@ define swifttailcc void @coroutineA(ptr swiftasync %arg) !dbg !48 {
; CHECK-SAME: ptr swiftasync %[[frame_ptr:.*]])
; Note the extra level of indirection that shows up here!
; CHECK: #dbg_declare(ptr %[[frame_ptr]], {{.*}} !DIExpression(
; CHECK-SAME: DW_OP_LLVM_entry_value, 1, DW_OP_deref, DW_OP_plus_uconst, 16, DW_OP_plus_uconst, 8)
; CHECK-SAME: DW_OP_LLVM_entry_value, 1, DW_OP_deref, DW_OP_plus_uconst, 24)
; CHECK: #dbg_value(ptr %[[frame_ptr]], {{.*}} !DIExpression(
; CHECK-SAME: DW_OP_LLVM_entry_value, 1, DW_OP_deref, DW_OP_plus_uconst, 16, DW_OP_deref)
; CHECK: call {{.*}} @swift_task_switch
Expand All @@ -85,7 +85,7 @@ define swifttailcc void @coroutineA(ptr swiftasync %arg) !dbg !48 {
; CHECK-LABEL: define {{.*}} @coroutineATY2_(
; CHECK-SAME: ptr swiftasync %[[frame_ptr:.*]])
; CHECK: #dbg_declare(ptr %[[frame_ptr]], {{.*}} !DIExpression(
; CHECK-SAME: DW_OP_LLVM_entry_value, 1, DW_OP_plus_uconst, 16, DW_OP_plus_uconst, 8)
; CHECK-SAME: DW_OP_LLVM_entry_value, 1, DW_OP_plus_uconst, 24)
}

; Everything from here on is just support code for the coroutines.
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