forked from OSchip/llvm-project
152 lines
4.8 KiB
LLVM
152 lines
4.8 KiB
LLVM
; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
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; RUN: llc < %s -mtriple=x86_64-unknown-linux-gnu | FileCheck %s
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; This test hung in the BranchFolding pass during asm-goto bring up
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@e = global i32 0
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@j = global i32 0
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define void @n(i32* %o, i32 %p, i32 %u) nounwind {
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; CHECK-LABEL: n:
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; CHECK: # %bb.0: # %entry
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; CHECK-NEXT: pushq %rbp
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; CHECK-NEXT: pushq %r15
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; CHECK-NEXT: pushq %r14
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; CHECK-NEXT: pushq %r13
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; CHECK-NEXT: pushq %r12
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; CHECK-NEXT: pushq %rbx
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; CHECK-NEXT: pushq %rax
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; CHECK-NEXT: movl %edx, %ebx
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; CHECK-NEXT: movl %esi, %r12d
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; CHECK-NEXT: movq %rdi, %r15
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; CHECK-NEXT: callq c
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; CHECK-NEXT: movl %eax, %r13d
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; CHECK-NEXT: movq %r15, %rdi
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; CHECK-NEXT: callq l
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; CHECK-NEXT: testl %eax, %eax
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; CHECK-NEXT: je .LBB0_1
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; CHECK-NEXT: .LBB0_10: # %cleanup
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; CHECK-NEXT: addq $8, %rsp
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; CHECK-NEXT: popq %rbx
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; CHECK-NEXT: popq %r12
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; CHECK-NEXT: popq %r13
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; CHECK-NEXT: popq %r14
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; CHECK-NEXT: popq %r15
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; CHECK-NEXT: popq %rbp
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; CHECK-NEXT: retq
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; CHECK-NEXT: .LBB0_1: # %if.end
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; CHECK-NEXT: movl %ebx, {{[-0-9]+}}(%r{{[sb]}}p) # 4-byte Spill
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; CHECK-NEXT: cmpl $0, {{.*}}(%rip)
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; CHECK-NEXT: # implicit-def: $ebx
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; CHECK-NEXT: # implicit-def: $r14d
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; CHECK-NEXT: je .LBB0_4
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; CHECK-NEXT: # %bb.2: # %if.then4
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; CHECK-NEXT: movslq %r12d, %rdi
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; CHECK-NEXT: callq m
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; CHECK-NEXT: # implicit-def: $ebx
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; CHECK-NEXT: # implicit-def: $ebp
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; CHECK-NEXT: .LBB0_3: # %r
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; CHECK-NEXT: callq c
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; CHECK-NEXT: movl %ebp, %r14d
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; CHECK-NEXT: .LBB0_4: # %if.end8
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; CHECK-NEXT: movl %ebx, %edi
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; CHECK-NEXT: callq i
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; CHECK-NEXT: movl %eax, %ebp
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; CHECK-NEXT: orl %r14d, %ebp
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; CHECK-NEXT: testl %r13d, %r13d
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; CHECK-NEXT: je .LBB0_6
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; CHECK-NEXT: # %bb.5:
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; CHECK-NEXT: andl $4, %ebx
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; CHECK-NEXT: jmp .LBB0_3
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; CHECK-NEXT: .LBB0_6: # %if.end12
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; CHECK-NEXT: testl %ebp, %ebp
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; CHECK-NEXT: je .LBB0_9
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; CHECK-NEXT: # %bb.7: # %if.then14
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; CHECK-NEXT: movl {{[-0-9]+}}(%r{{[sb]}}p), %eax # 4-byte Reload
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; CHECK-NEXT: #APP
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; CHECK-NEXT: #NO_APP
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; CHECK-NEXT: jmp .LBB0_10
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; CHECK-NEXT: .Ltmp0: # Block address taken
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; CHECK-NEXT: .LBB0_8: # %if.then20.critedge
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; CHECK-NEXT: movl {{.*}}(%rip), %edi
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; CHECK-NEXT: movslq %eax, %rcx
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; CHECK-NEXT: movl $1, %esi
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; CHECK-NEXT: movq %r15, %rdx
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; CHECK-NEXT: addq $8, %rsp
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; CHECK-NEXT: popq %rbx
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; CHECK-NEXT: popq %r12
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; CHECK-NEXT: popq %r13
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; CHECK-NEXT: popq %r14
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; CHECK-NEXT: popq %r15
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; CHECK-NEXT: popq %rbp
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; CHECK-NEXT: jmp k # TAILCALL
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; CHECK-NEXT: .LBB0_9: # %if.else
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; CHECK-NEXT: incq 0
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; CHECK-NEXT: jmp .LBB0_10
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entry:
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%call = tail call i32 @c()
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%call1 = tail call i32 @l(i32* %o)
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%tobool = icmp eq i32 %call1, 0
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br i1 %tobool, label %if.end, label %cleanup
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if.end: ; preds = %entry
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%0 = load i32, i32* @e
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%tobool3 = icmp eq i32 %0, 0
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br i1 %tobool3, label %if.end8, label %if.then4, !prof !0
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if.then4: ; preds = %if.end
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%conv5 = sext i32 %p to i64
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%call6 = tail call i32 @m(i64 %conv5)
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br label %r
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r: ; preds = %if.end8, %if.then4
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%flags.0 = phi i32 [ undef, %if.then4 ], [ %and, %if.end8 ]
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%major.0 = phi i32 [ undef, %if.then4 ], [ %or, %if.end8 ]
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%call7 = tail call i32 @c()
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br label %if.end8
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if.end8: ; preds = %r, %if.end
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%flags.1 = phi i32 [ %flags.0, %r ], [ undef, %if.end ]
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%major.1 = phi i32 [ %major.0, %r ], [ undef, %if.end ]
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%call9 = tail call i32 @i(i32 %flags.1)
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%or = or i32 %call9, %major.1
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%and = and i32 %flags.1, 4
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%tobool10 = icmp eq i32 %call, 0
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br i1 %tobool10, label %if.end12, label %r
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if.end12: ; preds = %if.end8
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%tobool13 = icmp eq i32 %or, 0
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br i1 %tobool13, label %if.else, label %if.then14
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if.then14: ; preds = %if.end12
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callbr void asm sideeffect "", "X,~{dirflag},~{fpsr},~{flags}"(i8* blockaddress(@n, %if.then20.critedge))
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to label %cleanup [label %if.then20.critedge]
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if.then20.critedge: ; preds = %if.then14
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%1 = load i32, i32* @j
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%conv21 = sext i32 %u to i64
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%call22 = tail call i32 @k(i32 %1, i64 1, i32* %o, i64 %conv21)
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br label %cleanup
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if.else: ; preds = %if.end12
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%2 = load i64, i64* null
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%inc = add i64 %2, 1
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store i64 %inc, i64* null
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br label %cleanup
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cleanup: ; preds = %if.else, %if.then20.critedge, %if.then14, %entry
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ret void
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}
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declare i32 @c()
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declare i32 @l(i32*)
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declare i32 @m(i64)
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declare i32 @i(i32)
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declare i32 @k(i32, i64, i32*, i64)
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!0 = !{!"branch_weights", i32 2000, i32 1}
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