129 lines
4.5 KiB
LLVM
129 lines
4.5 KiB
LLVM
; Test the invoke reduction standalone, dead blocks are not removed
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; RUN: llvm-reduce --abort-on-invalid-reduction --delta-passes=invokes --test FileCheck --test-arg --check-prefixes=CHECK,INTERESTING --test-arg %s --test-arg --input-file %s -o %t.0
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; RUN: FileCheck --check-prefixes=CHECK,RESULT,RESULT-SINGLE %s < %t.0
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; Test the full reduction pipeline, which cleans up unreachable blocks
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; RUN: llvm-reduce --abort-on-invalid-reduction --test FileCheck --test-arg --check-prefixes=CHECK,INTERESTING --test-arg %s --test-arg --input-file %s -o %t.1
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; RUN: FileCheck --check-prefixes=CHECK,RESULT,RESULT-FULL %s < %t.1
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define i32 @maybe_throwing_callee(i32 %arg) {
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call void @thrown()
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ret i32 %arg
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}
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declare void @did_not_throw(i32)
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declare void @thrown()
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; CHECK-LABEL: define void @invoke_keep_landingpad_block(i32 %arg) personality ptr @__gxx_personality_v0 {
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; INTERESTING: i32 @maybe_throwing_callee(
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; RESULT-SINGLE: %i0 = call i32 @maybe_throwing_callee(i32 %arg), !some.metadata !0
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; RESULT-SINGLE-NEXT: br label %bb3
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; RESULT-FULL: %i0 = call i32 @maybe_throwing_callee()
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; RESULT-FULL-NEXT: br label %bb4
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; RESULT-SINGLE: bb1: ; No predecessors!
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; RESULT-SINGLE-NEXT: %landing = landingpad { ptr, i32 }
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; RESULT-SINGLE-NEXT: catch ptr null
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; RESULT-SINGLE-NEXT: call void @thrown()
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define void @invoke_keep_landingpad_block(i32 %arg) personality ptr @__gxx_personality_v0 {
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bb:
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%i0 = invoke i32 @maybe_throwing_callee(i32 %arg)
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to label %bb3 unwind label %bb1, !some.metadata !0
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bb1: ; preds = %bb
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%landing = landingpad { ptr, i32 }
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catch ptr null
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; INTERESTING: call void @thrown()
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call void @thrown()
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br label %bb4
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bb3: ; preds = %bb
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call void @did_not_throw(i32 %i0)
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br label %bb4
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bb4: ; preds = %bb3, %bb1
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ret void
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}
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; CHECK-LABEL: define void @invoke_drop_landingpad_block(i32 %arg) personality ptr @__gxx_personality_v0 {
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; INTERESTING: i32 @maybe_throwing_callee(
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; RESULT-SINGLE: %i0 = call i32 @maybe_throwing_callee(i32 %arg), !some.metadata !0
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; RESULT-SINGLE-NEXT: br label %bb3
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; RESULT-SINGLE: bb1: ; No predecessors!
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; RESULT-SINGLE-NEXT: %landing = landingpad { ptr, i32 }
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; RESULT-SINGLE: bb3:
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; RESULT-SINGLE-NEXT: call void @did_not_throw(i32 %i0)
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; RESULT-FULL: %i0 = call i32 @maybe_throwing_callee()
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; RESULT-FULL-NEXT: call void @did_not_throw()
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; RESULT-FULL-NEXT: ret void
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define void @invoke_drop_landingpad_block(i32 %arg) personality ptr @__gxx_personality_v0 {
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bb:
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%i0 = invoke i32 @maybe_throwing_callee(i32 %arg)
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to label %bb3 unwind label %bb1, !some.metadata !0
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bb1: ; preds = %bb
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%landing = landingpad { ptr, i32 }
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catch ptr null
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call void @thrown()
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br label %bb4
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bb3: ; preds = %bb
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; INTERESTING: call void @did_not_throw(
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call void @did_not_throw(i32 %i0)
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br label %bb4
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bb4: ; preds = %bb3, %bb1
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ret void
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}
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declare i32 @another_maybe_throwing_callee(i32 %arg)
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; Test the same landing pad block is used by multiple invokes
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; CHECK-LABEL: define i32 @multi_invoke_caller(i32 %arg) personality ptr @__gxx_personality_v0 {
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define i32 @multi_invoke_caller(i32 %arg) personality ptr @__gxx_personality_v0 {
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bb:
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%i0 = invoke i32 @maybe_throwing_callee(i32 %arg)
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to label %bb3 unwind label %bb1, !some.metadata !0
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; RESULT: bb1: ; preds = %bb4
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; RESULT-NEXT: %landing = landingpad { ptr, i32 }
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; RESULT-NEXT: catch ptr null
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bb1: ; preds = %bb
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%landing = landingpad { ptr, i32 }
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catch ptr null
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; INTERESTING: call void @thrown()
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call void @thrown()
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br label %bb4
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bb3: ; preds = %bb
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call void @did_not_throw(i32 %i0)
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br label %bb4
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bb4: ; preds = %bb3, %bb1
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; INTERESTING: invoke i32 @another_maybe_throwing_callee(
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; RESULT-SINGLE: %i1 = invoke i32 @another_maybe_throwing_callee(i32 %arg)
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; RESULT-SINGLE-NEXT: to label %bb5 unwind label %bb1, !some.metadata !1
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; RESULT-FULL: %i1 = invoke i32 @another_maybe_throwing_callee(i32 0)
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; RESULT-FULL-NEXT: to label %bb5 unwind label %bb1{{$}}
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%i1 = invoke i32 @another_maybe_throwing_callee(i32 %arg)
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to label %bb5 unwind label %bb1, !some.metadata !1
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bb5:
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ret i32 %i1
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}
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declare i32 @__gxx_personality_v0(...)
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!0 = !{!"arst"}
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!1 = !{!"arstarst"}
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