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[X86] Regenerate reverse branch test to explicitly show branching and condition codes.

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llvm-svn: 352314
This commit is contained in:
Simon Pilgrim 2019-01-27 12:39:38 +00:00
parent 7b980ad368
commit c09a4db3b7
1 changed files with 138 additions and 7 deletions
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145
llvm/test/CodeGen/X86/reverse_branches.ll
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@ -1,4 +1,5 @@
; RUN: llc -mtriple=x86_64-apple-darwin < %s | FileCheck %s
; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
; RUN: llc < %s -mtriple=x86_64-apple-darwin | FileCheck %s
@.str2 = private unnamed_addr constant [7 x i8] c"memchr\00", align 1
@.str3 = private unnamed_addr constant [11 x i8] c"bsd_memchr\00", align 1
@ -8,12 +9,142 @@
; inner loop.
define i32 @test_branches_order() uwtable ssp {
; CHECK-LABEL: test_branches_order:
; CHECK: [[L0:LBB0_[0-9]+]]: ## %do.body.i
; CHECK: je
; CHECK: %do.cond.i
; CHECK: jne [[L0]]
; CHECK: jmp
; CHECK: %exit
; CHECK: ## %bb.0: ## %entry
; CHECK-NEXT: pushq %rbp
; CHECK-NEXT: .cfi_def_cfa_offset 16
; CHECK-NEXT: pushq %r15
; CHECK-NEXT: .cfi_def_cfa_offset 24
; CHECK-NEXT: pushq %r14
; CHECK-NEXT: .cfi_def_cfa_offset 32
; CHECK-NEXT: pushq %r13
; CHECK-NEXT: .cfi_def_cfa_offset 40
; CHECK-NEXT: pushq %r12
; CHECK-NEXT: .cfi_def_cfa_offset 48
; CHECK-NEXT: pushq %rbx
; CHECK-NEXT: .cfi_def_cfa_offset 56
; CHECK-NEXT: subq $1001016, %rsp ## imm = 0xF4638
; CHECK-NEXT: .cfi_def_cfa_offset 1001072
; CHECK-NEXT: .cfi_offset %rbx, -56
; CHECK-NEXT: .cfi_offset %r12, -48
; CHECK-NEXT: .cfi_offset %r13, -40
; CHECK-NEXT: .cfi_offset %r14, -32
; CHECK-NEXT: .cfi_offset %r15, -24
; CHECK-NEXT: .cfi_offset %rbp, -16
; CHECK-NEXT: movq ___stack_chk_guard@{{.*}}(%rip), %rax
; CHECK-NEXT: movq (%rax), %rax
; CHECK-NEXT: movq %rax, {{[0-9]+}}(%rsp)
; CHECK-NEXT: xorl %r12d, %r12d
; CHECK-NEXT: leaq -{{[0-9]+}}(%rsp), %r14
; CHECK-NEXT: movq %rsp, %r15
; CHECK-NEXT: cmpl $999, %r12d ## imm = 0x3E7
; CHECK-NEXT: jle LBB0_2
; CHECK-NEXT: jmp LBB0_7
; CHECK-NEXT: .p2align 4, 0x90
; CHECK-NEXT: LBB0_6: ## %for.inc9
; CHECK-NEXT: ## in Loop: Header=BB0_2 Depth=1
; CHECK-NEXT: incl %r12d
; CHECK-NEXT: cmpl $999, %r12d ## imm = 0x3E7
; CHECK-NEXT: jg LBB0_7
; CHECK-NEXT: LBB0_2: ## %for.cond1.preheader
; CHECK-NEXT: ## =>This Loop Header: Depth=1
; CHECK-NEXT: ## Child Loop BB0_3 Depth 2
; CHECK-NEXT: movl $-1, %r13d
; CHECK-NEXT: movq %r15, %rbx
; CHECK-NEXT: movq %r14, %rbp
; CHECK-NEXT: .p2align 4, 0x90
; CHECK-NEXT: LBB0_3: ## %for.cond1
; CHECK-NEXT: ## Parent Loop BB0_2 Depth=1
; CHECK-NEXT: ## => This Inner Loop Header: Depth=2
; CHECK-NEXT: incl %r13d
; CHECK-NEXT: cmpl $999, %r13d ## imm = 0x3E7
; CHECK-NEXT: jg LBB0_6
; CHECK-NEXT: ## %bb.4: ## %for.body3
; CHECK-NEXT: ## in Loop: Header=BB0_3 Depth=2
; CHECK-NEXT: addq $1002, %rbp ## imm = 0x3EA
; CHECK-NEXT: movq %rbx, %rdi
; CHECK-NEXT: leaq 1001(%rbx), %rbx
; CHECK-NEXT: movl $1000, %edx ## imm = 0x3E8
; CHECK-NEXT: movl $120, %esi
; CHECK-NEXT: callq _memchr
; CHECK-NEXT: cmpq %rax, %rbp
; CHECK-NEXT: je LBB0_3
; CHECK-NEXT: jmp LBB0_5
; CHECK-NEXT: LBB0_7: ## %for.end11
; CHECK-NEXT: leaq {{.*}}(%rip), %rdi
; CHECK-NEXT: callq _puts
; CHECK-NEXT: xorl %eax, %eax
; CHECK-NEXT: movq %rsp, %rcx
; CHECK-NEXT: cmpl $999, %eax ## imm = 0x3E7
; CHECK-NEXT: jle LBB0_9
; CHECK-NEXT: jmp LBB0_16
; CHECK-NEXT: .p2align 4, 0x90
; CHECK-NEXT: LBB0_15: ## %for.inc38
; CHECK-NEXT: ## in Loop: Header=BB0_9 Depth=1
; CHECK-NEXT: incl %eax
; CHECK-NEXT: cmpl $999, %eax ## imm = 0x3E7
; CHECK-NEXT: jg LBB0_16
; CHECK-NEXT: LBB0_9: ## %for.cond18.preheader
; CHECK-NEXT: ## =>This Loop Header: Depth=1
; CHECK-NEXT: ## Child Loop BB0_10 Depth 2
; CHECK-NEXT: ## Child Loop BB0_12 Depth 3
; CHECK-NEXT: movq %rcx, %rdx
; CHECK-NEXT: xorl %esi, %esi
; CHECK-NEXT: xorl %edi, %edi
; CHECK-NEXT: .p2align 4, 0x90
; CHECK-NEXT: LBB0_10: ## %for.cond18
; CHECK-NEXT: ## Parent Loop BB0_9 Depth=1
; CHECK-NEXT: ## => This Loop Header: Depth=2
; CHECK-NEXT: ## Child Loop BB0_12 Depth 3
; CHECK-NEXT: cmpl $999, %edi ## imm = 0x3E7
; CHECK-NEXT: jg LBB0_15
; CHECK-NEXT: ## %bb.11: ## %for.body20
; CHECK-NEXT: ## in Loop: Header=BB0_10 Depth=2
; CHECK-NEXT: movq $-1000, %rbp ## imm = 0xFC18
; CHECK-NEXT: .p2align 4, 0x90
; CHECK-NEXT: LBB0_12: ## %do.body.i
; CHECK-NEXT: ## Parent Loop BB0_9 Depth=1
; CHECK-NEXT: ## Parent Loop BB0_10 Depth=2
; CHECK-NEXT: ## => This Inner Loop Header: Depth=3
; CHECK-NEXT: cmpb $120, 1000(%rdx,%rbp)
; CHECK-NEXT: je LBB0_14
; CHECK-NEXT: ## %bb.13: ## %do.cond.i
; CHECK-NEXT: ## in Loop: Header=BB0_12 Depth=3
; CHECK-NEXT: incq %rbp
; CHECK-NEXT: jne LBB0_12
; CHECK-NEXT: jmp LBB0_5
; CHECK-NEXT: .p2align 4, 0x90
; CHECK-NEXT: LBB0_14: ## %exit
; CHECK-NEXT: ## in Loop: Header=BB0_10 Depth=2
; CHECK-NEXT: addq %rsi, %rbp
; CHECK-NEXT: incq %rdi
; CHECK-NEXT: decq %rsi
; CHECK-NEXT: addq $1001, %rdx ## imm = 0x3E9
; CHECK-NEXT: cmpq $-1000, %rbp ## imm = 0xFC18
; CHECK-NEXT: je LBB0_10
; CHECK-NEXT: LBB0_5: ## %if.then
; CHECK-NEXT: leaq {{.*}}(%rip), %rdi
; CHECK-NEXT: callq _puts
; CHECK-NEXT: movl $1, %edi
; CHECK-NEXT: callq _exit
; CHECK-NEXT: LBB0_16: ## %for.end40
; CHECK-NEXT: leaq {{.*}}(%rip), %rdi
; CHECK-NEXT: callq _puts
; CHECK-NEXT: movq ___stack_chk_guard@{{.*}}(%rip), %rax
; CHECK-NEXT: movq (%rax), %rax
; CHECK-NEXT: cmpq {{[0-9]+}}(%rsp), %rax
; CHECK-NEXT: jne LBB0_18
; CHECK-NEXT: ## %bb.17: ## %for.end40
; CHECK-NEXT: xorl %eax, %eax
; CHECK-NEXT: addq $1001016, %rsp ## imm = 0xF4638
; CHECK-NEXT: popq %rbx
; CHECK-NEXT: popq %r12
; CHECK-NEXT: popq %r13
; CHECK-NEXT: popq %r14
; CHECK-NEXT: popq %r15
; CHECK-NEXT: popq %rbp
; CHECK-NEXT: retq
; CHECK-NEXT: LBB0_18: ## %for.end40
; CHECK-NEXT: callq ___stack_chk_fail
entry:
%strs = alloca [1000 x [1001 x i8]], align 16
br label %for.cond