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; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
; RUN: opt < %s -passes='sroa<preserve-cfg>' -S | FileCheck %s --check-prefixes=CHECK,CHECK-PRESERVE-CFG
; RUN: opt < %s -passes='sroa<modify-cfg>' -S | FileCheck %s --check-prefixes=CHECK,CHECK-MODIFY-CFG
target datalayout = "e-m:e-p:32:32-i64:64-n32:64-S128"
target triple = "wasm32-unknown-unknown"
%struct.foo = type { i32 }
declare i32 @__gxx_wasm_personality_v0(...)
declare void @foo()
; Tests if the SROA pass correctly bails out on rewriting PHIs in a catchswitch
; BB.
define void @test_phi_catchswitch() personality ptr @__gxx_wasm_personality_v0 {
; CHECK-LABEL: @test_phi_catchswitch(
; CHECK-NEXT: entry:
; CHECK-NEXT: [[TMP:%.*]] = alloca [[STRUCT_FOO:%.*]], align 4
; CHECK-NEXT: invoke void @foo()
; CHECK-NEXT: to label [[BB3:%.*]] unwind label [[BB10:%.*]]
; CHECK: bb3:
; CHECK-NEXT: invoke void @foo()
; CHECK-NEXT: to label [[BB9:%.*]] unwind label [[CATCH_DISPATCH:%.*]]
; CHECK: catch.dispatch:
; CHECK-NEXT: [[TMP5:%.*]] = phi ptr [ [[TMP]], [[BB3]] ]
; CHECK-NEXT: [[TMP6:%.*]] = catchswitch within none [label %catch.start] unwind label [[BB10]]
; CHECK: catch.start:
; CHECK-NEXT: [[TMP8:%.*]] = catchpad within [[TMP6]] [ptr null]
; CHECK-NEXT: unreachable
; CHECK: bb9:
; CHECK-NEXT: unreachable
; CHECK: bb10:
; CHECK-NEXT: [[TMP11:%.*]] = phi ptr [ [[TMP]], [[ENTRY:%.*]] ], [ [[TMP5]], [[CATCH_DISPATCH]] ]
; CHECK-NEXT: [[TMP12:%.*]] = cleanuppad within none []
; CHECK-NEXT: store i32 0, ptr [[TMP11]], align 4
; CHECK-NEXT: unreachable
;
entry:
%tmp = alloca %struct.foo, align 4
invoke void @foo()
to label %bb3 unwind label %bb10
bb3: ; preds = %entry
invoke void @foo()
to label %bb9 unwind label %catch.dispatch
catch.dispatch: ; preds = %bb3
; While rewriting the alloca in the entry BB, the SROA pass tries to insert a
; non-PHI instruction in this BB by calling getFirstInsertionPt(), which is
; not possible in a catchswitch BB. This test checks if we correctly bail out
; on these cases.
%tmp5 = phi ptr [ %tmp, %bb3 ]
%tmp6 = catchswitch within none [label %catch.start] unwind label %bb10
catch.start: ; preds = %catch.dispatch
%tmp8 = catchpad within %tmp6 [ptr null]
unreachable
bb9: ; preds = %bb3
unreachable
bb10: ; preds = %catch.dispatch, %entry
%tmp11 = phi ptr [ %tmp, %entry ], [ %tmp5, %catch.dispatch ]
%tmp12 = cleanuppad within none []
store i32 0, ptr %tmp11, align 4
unreachable
}
;; NOTE: These prefixes are unused and the list is autogenerated. Do not add tests below this line:
; CHECK-MODIFY-CFG: {{.*}}
; CHECK-PRESERVE-CFG: {{.*}}
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