| ; 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: {{.*}} |