; NOTE: Assertions have been autogenerated by utils/update_test_checks.py UTC_ARGS: --version 5 ; RUN: opt -passes="gvn-sink" -S %s | FileCheck %s ;; See https://github.com/llvm/llvm-project/issues/138345 for details. ;; The program below used to crash due to taking the address of the inline asm. ;; gvn-sink shouldn't do anything in this case, so test that the pass no longer ;; generates invalid IR and no longer crashes. define void @c(i64 %num, ptr %ptr) { ; CHECK-LABEL: define void @c( ; CHECK-SAME: i64 [[NUM:%.*]], ptr [[PTR:%.*]]) { ; CHECK-NEXT: [[ENTRY:.*:]] ; CHECK-NEXT: switch i64 [[NUM]], label %[[SW_EPILOG:.*]] [ ; CHECK-NEXT: i64 1, label %[[SW_BB:.*]] ; CHECK-NEXT: i64 0, label %[[SW_BB1:.*]] ; CHECK-NEXT: ] ; CHECK: [[SW_BB]]: ; CHECK-NEXT: [[TMP1:%.*]] = load i8, ptr [[PTR]], align 1 ; CHECK-NEXT: call void asm sideeffect "", "r,r,~{dirflag},~{fpsr},~{flags}"(i8 [[TMP1]], ptr @c) ; CHECK-NEXT: br label %[[SW_EPILOG]] ; CHECK: [[SW_BB1]]: ; CHECK-NEXT: [[TMP2:%.*]] = load i8, ptr [[PTR]], align 1 ; CHECK-NEXT: call void asm sideeffect "movdqu 0 [[XMM0:%.*]] \0A\09", "r,r,~{dirflag},~{fpsr},~{flags}"(i8 [[TMP2]], ptr @c) ; CHECK-NEXT: br label %[[SW_EPILOG]] ; CHECK: [[SW_EPILOG]]: ; CHECK-NEXT: ret void ; entry: switch i64 %num, label %sw.epilog [ i64 1, label %sw.bb i64 0, label %sw.bb1 ] sw.bb: ; preds = %entry %1 = load i8, ptr %ptr, align 1 call void asm sideeffect "", "r,r,~{dirflag},~{fpsr},~{flags}"(i8 %1, ptr @c) br label %sw.epilog sw.bb1: ; preds = %entry %2 = load i8, ptr %ptr, align 1 call void asm sideeffect "movdqu 0 %xmm0 \0A\09", "r,r,~{dirflag},~{fpsr},~{flags}"(i8 %2, ptr @c) br label %sw.epilog sw.epilog: ; preds = %sw.bb1, %sw.bb, %entry ret void }