; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py ; RUN: llc < %s -mtriple=x86_64-apple-darwin | FileCheck %s ; rdar://6522427 ; This command line used to crash due to dangling nodes left after PreprocessISelDAG ; RUN: llc < %s -mtriple=x86_64-apple-darwin -pre-RA-sched=linearize | FileCheck %s --check-prefix=pre-RA %"struct.clang::Action" = type { %"struct.clang::ActionBase" } %"struct.clang::ActionBase" = type { i32 (...)** } %"struct.clang::ActionBase::ActionResult<0u>" = type { i8*, i8 } @NumTrials = internal global i32 10000000 ; [#uses=2] @llvm.used = appending global [1 x i8*] [ i8* bitcast (void (i8*, %"struct.clang::Action"*)* @_Z25RawPointerPerformanceTestPvRN5clang6ActionE to i8*) ], section "llvm.metadata" ; <[1 x i8*]*> [#uses=0] define void @_Z25RawPointerPerformanceTestPvRN5clang6ActionE(i8* %Val, %"struct.clang::Action"* %Actions) nounwind { ; CHECK-LABEL: _Z25RawPointerPerformanceTestPvRN5clang6ActionE: ; CHECK: ## %bb.0: ## %entry ; CHECK-NEXT: pushq %rbp ; CHECK-NEXT: pushq %rbx ; CHECK-NEXT: subq $24, %rsp ; CHECK-NEXT: cmpl $0, {{.*}}(%rip) ; CHECK-NEXT: je LBB0_3 ; CHECK-NEXT: ## %bb.1: ## %bb.nph ; CHECK-NEXT: movq %rsi, %rbx ; CHECK-NEXT: movq %rdi, %rax ; CHECK-NEXT: xorl %ebp, %ebp ; CHECK-NEXT: .p2align 4, 0x90 ; CHECK-NEXT: LBB0_2: ## %bb ; CHECK-NEXT: ## =>This Inner Loop Header: Depth=1 ; CHECK-NEXT: movq (%rbx), %rcx ; CHECK-NEXT: movq %rbx, %rdi ; CHECK-NEXT: movq %rax, %rsi ; CHECK-NEXT: callq *560(%rcx) ; CHECK-NEXT: movq %rax, {{[0-9]+}}(%rsp) ; CHECK-NEXT: movq %rdx, {{[0-9]+}}(%rsp) ; CHECK-NEXT: incl %ebp ; CHECK-NEXT: cmpl {{.*}}(%rip), %ebp ; CHECK-NEXT: jb LBB0_2 ; CHECK-NEXT: LBB0_3: ## %return ; CHECK-NEXT: addq $24, %rsp ; CHECK-NEXT: popq %rbx ; CHECK-NEXT: popq %rbp ; CHECK-NEXT: retq ; ; pre-RA-LABEL: _Z25RawPointerPerformanceTestPvRN5clang6ActionE: ; pre-RA: ## %bb.0: ## %entry ; pre-RA-NEXT: pushq %rbp ; pre-RA-NEXT: pushq %rbx ; pre-RA-NEXT: subq $24, %rsp ; pre-RA-NEXT: cmpl $0, {{.*}}(%rip) ; pre-RA-NEXT: je LBB0_3 ; pre-RA-NEXT: ## %bb.1: ## %bb.nph ; pre-RA-NEXT: movq %rsi, %rbx ; pre-RA-NEXT: movq %rdi, %rax ; pre-RA-NEXT: xorl %ebp, %ebp ; pre-RA-NEXT: .p2align 4, 0x90 ; pre-RA-NEXT: LBB0_2: ## %bb ; pre-RA-NEXT: ## =>This Inner Loop Header: Depth=1 ; pre-RA-NEXT: movq (%rbx), %rcx ; pre-RA-NEXT: movq %rbx, %rdi ; pre-RA-NEXT: movq %rax, %rsi ; pre-RA-NEXT: callq *560(%rcx) ; pre-RA-NEXT: incl %ebp ; pre-RA-NEXT: movq %rax, {{[0-9]+}}(%rsp) ; pre-RA-NEXT: movq %rdx, {{[0-9]+}}(%rsp) ; pre-RA-NEXT: cmpl {{.*}}(%rip), %ebp ; pre-RA-NEXT: jb LBB0_2 ; pre-RA-NEXT: LBB0_3: ## %return ; pre-RA-NEXT: addq $24, %rsp ; pre-RA-NEXT: popq %rbx ; pre-RA-NEXT: popq %rbp ; pre-RA-NEXT: retq entry: %0 = alloca %"struct.clang::ActionBase::ActionResult<0u>", align 8 ; <%"struct.clang::ActionBase::ActionResult<0u>"*> [#uses=3] %1 = load i32, i32* @NumTrials, align 4 ; [#uses=1] %2 = icmp eq i32 %1, 0 ; [#uses=1] br i1 %2, label %return, label %bb.nph bb.nph: ; preds = %entry %3 = getelementptr %"struct.clang::Action", %"struct.clang::Action"* %Actions, i64 0, i32 0, i32 0 ; [#uses=1] %mrv_gep = bitcast %"struct.clang::ActionBase::ActionResult<0u>"* %0 to i64* ; [#uses=1] %mrv_gep1 = getelementptr %"struct.clang::ActionBase::ActionResult<0u>", %"struct.clang::ActionBase::ActionResult<0u>"* %0, i64 0, i32 1 ; [#uses=1] %4 = bitcast i8* %mrv_gep1 to i64* ; [#uses=1] %5 = getelementptr %"struct.clang::ActionBase::ActionResult<0u>", %"struct.clang::ActionBase::ActionResult<0u>"* %0, i64 0, i32 0 ; [#uses=1] br label %bb bb: ; preds = %bb, %bb.nph %Trial.01 = phi i32 [ 0, %bb.nph ], [ %12, %bb ] ; [#uses=1] %Val_addr.02 = phi i8* [ %Val, %bb.nph ], [ %11, %bb ] ; [#uses=1] %6 = load i32 (...)**, i32 (...)*** %3, align 8 ; [#uses=1] %7 = getelementptr i32 (...)*, i32 (...)** %6, i64 70 ; [#uses=1] %8 = load i32 (...)*, i32 (...)** %7, align 8 ; [#uses=1] %9 = bitcast i32 (...)* %8 to { i64, i64 } (%"struct.clang::Action"*, i8*)* ; <{ i64, i64 } (%"struct.clang::Action"*, i8*)*> [#uses=1] %10 = call { i64, i64 } %9(%"struct.clang::Action"* %Actions, i8* %Val_addr.02) nounwind ; <{ i64, i64 }> [#uses=2] %mrv_gr = extractvalue { i64, i64 } %10, 0 ; [#uses=1] store i64 %mrv_gr, i64* %mrv_gep %mrv_gr2 = extractvalue { i64, i64 } %10, 1 ; [#uses=1] store i64 %mrv_gr2, i64* %4 %11 = load i8*, i8** %5, align 8 ; [#uses=1] %12 = add i32 %Trial.01, 1 ; [#uses=2] %13 = load i32, i32* @NumTrials, align 4 ; [#uses=1] %14 = icmp ult i32 %12, %13 ; [#uses=1] br i1 %14, label %bb, label %return return: ; preds = %bb, %entry ret void }