; 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 { ptr }
%"struct.clang::ActionBase::ActionResult<0u>" = type { ptr, i8 }
@NumTrials = internal global i32 10000000 ; <ptr> [#uses=2]
@llvm.used = appending global [1 x ptr] [ ptr @_Z25RawPointerPerformanceTestPvRN5clang6ActionE ], section "llvm.metadata" ; <ptr> [#uses=0]
define void @_Z25RawPointerPerformanceTestPvRN5clang6ActionE(ptr %Val, ptr %Actions) nounwind {
; CHECK-LABEL: _Z25RawPointerPerformanceTestPvRN5clang6ActionE:
; CHECK: ## %bb.0: ## %entry
; CHECK-NEXT: cmpl $0, _NumTrials(%rip)
; CHECK-NEXT: je LBB0_4
; CHECK-NEXT: ## %bb.1: ## %bb.nph
; CHECK-NEXT: pushq %rbp
; CHECK-NEXT: pushq %rbx
; CHECK-NEXT: subq $24, %rsp
; 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 _NumTrials(%rip), %ebp
; CHECK-NEXT: jb LBB0_2
; CHECK-NEXT: ## %bb.3:
; CHECK-NEXT: addq $24, %rsp
; CHECK-NEXT: popq %rbx
; CHECK-NEXT: popq %rbp
; CHECK-NEXT: LBB0_4: ## %return
; CHECK-NEXT: retq
;
; pre-RA-LABEL: _Z25RawPointerPerformanceTestPvRN5clang6ActionE:
; pre-RA: ## %bb.0: ## %entry
; pre-RA-NEXT: cmpl $0, _NumTrials(%rip)
; pre-RA-NEXT: je LBB0_4
; pre-RA-NEXT: ## %bb.1: ## %bb.nph
; pre-RA-NEXT: pushq %rbp
; pre-RA-NEXT: pushq %rbx
; pre-RA-NEXT: subq $24, %rsp
; 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 _NumTrials(%rip), %ebp
; pre-RA-NEXT: jb LBB0_2
; pre-RA-NEXT: ## %bb.3:
; pre-RA-NEXT: addq $24, %rsp
; pre-RA-NEXT: popq %rbx
; pre-RA-NEXT: popq %rbp
; pre-RA-NEXT: LBB0_4: ## %return
; pre-RA-NEXT: retq
entry:
%i = alloca %"struct.clang::ActionBase::ActionResult<0u>", align 8
%i1 = load i32, ptr @NumTrials, align 4
%i2 = icmp eq i32 %i1, 0
br i1 %i2, label %return, label %bb.nph
bb.nph: ; preds = %entry
%mrv_gep1 = getelementptr %"struct.clang::ActionBase::ActionResult<0u>", ptr %i, i64 0, i32 1
br label %bb
bb: ; preds = %bb, %bb.nph
%Trial.01 = phi i32 [ 0, %bb.nph ], [ %i12, %bb ]
%Val_addr.02 = phi ptr [ %Val, %bb.nph ], [ %i11, %bb ]
%i6 = load ptr, ptr %Actions, align 8
%i7 = getelementptr ptr, ptr %i6, i64 70
%i8 = load ptr, ptr %i7, align 8
%i10 = call { i64, i64 } %i8(ptr %Actions, ptr %Val_addr.02) #0
%mrv_gr = extractvalue { i64, i64 } %i10, 0
store i64 %mrv_gr, ptr %i, align 4
%mrv_gr2 = extractvalue { i64, i64 } %i10, 1
store i64 %mrv_gr2, ptr %mrv_gep1, align 4
%i11 = load ptr, ptr %i, align 8
%i12 = add i32 %Trial.01, 1
%i13 = load i32, ptr @NumTrials, align 4
%i14 = icmp ult i32 %i12, %i13
br i1 %i14, label %bb, label %return
return: ; preds = %bb, %entry
ret void
}
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