90 lines
2.7 KiB
LLVM
90 lines
2.7 KiB
LLVM
; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py UTC_ARGS: --version 2
|
|
; RUN: llc < %s -mtriple=x86_64-linux | FileCheck %s
|
|
|
|
; @foo is optimized for size. Variables %p2, %p3, %p4, %p5 and %p6 are not split
|
|
; in cold blocks.
|
|
|
|
define i64 @foo(ptr %ptr, i64 %p2, i64 %p3, i64 %p4, i64 %p5, i64 %p6) optsize {
|
|
; CHECK-LABEL: foo:
|
|
; CHECK: # %bb.0: # %entry
|
|
; CHECK-NEXT: pushq %r15
|
|
; CHECK-NEXT: .cfi_def_cfa_offset 16
|
|
; CHECK-NEXT: pushq %r14
|
|
; CHECK-NEXT: .cfi_def_cfa_offset 24
|
|
; CHECK-NEXT: pushq %r13
|
|
; CHECK-NEXT: .cfi_def_cfa_offset 32
|
|
; CHECK-NEXT: pushq %r12
|
|
; CHECK-NEXT: .cfi_def_cfa_offset 40
|
|
; CHECK-NEXT: pushq %rbx
|
|
; CHECK-NEXT: .cfi_def_cfa_offset 48
|
|
; CHECK-NEXT: .cfi_offset %rbx, -48
|
|
; CHECK-NEXT: .cfi_offset %r12, -40
|
|
; CHECK-NEXT: .cfi_offset %r13, -32
|
|
; CHECK-NEXT: .cfi_offset %r14, -24
|
|
; CHECK-NEXT: .cfi_offset %r15, -16
|
|
; CHECK-NEXT: movq %r9, %r14
|
|
; CHECK-NEXT: movq %r8, %rbx
|
|
; CHECK-NEXT: movq %rcx, %r12
|
|
; CHECK-NEXT: movq %rdx, %r15
|
|
; CHECK-NEXT: movq %rsi, %r13
|
|
; CHECK-NEXT: testq %rdi, %rdi
|
|
; CHECK-NEXT: je .LBB0_1
|
|
; CHECK-NEXT: # %bb.2: # %if.else
|
|
; CHECK-NEXT: testq %r13, %r13
|
|
; CHECK-NEXT: movq %r15, %rax
|
|
; CHECK-NEXT: je .LBB0_3
|
|
; CHECK-NEXT: .LBB0_4: # %if.end
|
|
; CHECK-NEXT: addq %r13, %rax
|
|
; CHECK-NEXT: addq %r12, %r15
|
|
; CHECK-NEXT: addq %rax, %r15
|
|
; CHECK-NEXT: addq %r14, %rbx
|
|
; CHECK-NEXT: addq %r15, %rbx
|
|
; CHECK-NEXT: movq %rbx, %rax
|
|
; CHECK-NEXT: popq %rbx
|
|
; CHECK-NEXT: .cfi_def_cfa_offset 40
|
|
; CHECK-NEXT: popq %r12
|
|
; CHECK-NEXT: .cfi_def_cfa_offset 32
|
|
; CHECK-NEXT: popq %r13
|
|
; CHECK-NEXT: .cfi_def_cfa_offset 24
|
|
; CHECK-NEXT: popq %r14
|
|
; CHECK-NEXT: .cfi_def_cfa_offset 16
|
|
; CHECK-NEXT: popq %r15
|
|
; CHECK-NEXT: .cfi_def_cfa_offset 8
|
|
; CHECK-NEXT: retq
|
|
; CHECK-NEXT: .LBB0_1: # %if.then
|
|
; CHECK-NEXT: .cfi_def_cfa_offset 48
|
|
; CHECK-NEXT: callq bar1@PLT
|
|
; CHECK-NEXT: jmp .LBB0_4
|
|
; CHECK-NEXT: .LBB0_3: # %if.then2
|
|
; CHECK-NEXT: callq bar2@PLT
|
|
; CHECK-NEXT: jmp .LBB0_4
|
|
entry:
|
|
%tobool.not = icmp eq ptr %ptr, null
|
|
br i1 %tobool.not, label %if.then, label %if.else, !prof !5
|
|
|
|
if.then: ; preds = %entry
|
|
%call1 = call i64 @bar1()
|
|
br label %if.end
|
|
|
|
if.else:
|
|
%cond = icmp eq i64 %p2, 0
|
|
br i1 %cond, label %if.then2, label %if.end, !prof !5
|
|
|
|
if.then2:
|
|
%call2 = call i64 @bar2()
|
|
br label %if.end
|
|
|
|
if.end:
|
|
%call = phi i64 [ %call1, %if.then ], [%call2, %if.then2], [ %p3, %if.else ]
|
|
%add1 = add i64 %call, %p2
|
|
%add2 = add i64 %add1, %p3
|
|
%add3 = add i64 %add2, %p4
|
|
%add4 = add i64 %add3, %p5
|
|
%res = add i64 %add4, %p6
|
|
ret i64 %res
|
|
}
|
|
|
|
!5 = !{!"branch_weights", i32 1, i32 2000}
|
|
|
|
declare i64 @bar1()
|
|
declare i64 @bar2()
|