forked from OSchip/llvm-project
88 lines
2.4 KiB
YAML
88 lines
2.4 KiB
YAML
# RUN: llc -mtriple=x86_64-apple-macosx10.12.0 -O3 -run-pass=block-placement -o - %s | FileCheck %s
|
|
|
|
--- |
|
|
; ModuleID = 'test.ll'
|
|
source_filename = "test.ll"
|
|
target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128"
|
|
|
|
declare void @stub(i32*)
|
|
|
|
define i32 @f(i32* %ptr, i1 %cond) {
|
|
entry:
|
|
br i1 %cond, label %left, label %right
|
|
|
|
left: ; preds = %entry
|
|
%is_null = icmp eq i32* %ptr, null
|
|
br i1 %is_null, label %null, label %not_null, !prof !0, !make.implicit !1
|
|
|
|
not_null: ; preds = %left
|
|
%val = load i32, i32* %ptr
|
|
ret i32 %val
|
|
|
|
null: ; preds = %left
|
|
call void @stub(i32* %ptr)
|
|
unreachable
|
|
|
|
right: ; preds = %entry
|
|
call void @stub(i32* null)
|
|
unreachable
|
|
}
|
|
|
|
; Function Attrs: nounwind
|
|
declare void @llvm.stackprotector(i8*, i8**) #0
|
|
|
|
attributes #0 = { nounwind }
|
|
|
|
!0 = !{!"branch_weights", i32 1048575, i32 1}
|
|
!1 = !{}
|
|
|
|
...
|
|
---
|
|
# CHECK: name: f
|
|
name: f
|
|
alignment: 4
|
|
tracksRegLiveness: true
|
|
liveins:
|
|
- { reg: '%rdi' }
|
|
- { reg: '%esi' }
|
|
|
|
# CHECK: %eax = FAULTING_LOAD_OP %bb.3.null, 1684, killed %rdi, 1, _, 0, _ :: (load 4 from %ir.ptr)
|
|
# CHECK-NEXT: JMP_1 %bb.2.not_null
|
|
# CHECK: bb.3.null:
|
|
# CHECK: bb.4.right:
|
|
# CHECK: bb.2.not_null:
|
|
|
|
body: |
|
|
bb.0.entry:
|
|
successors: %bb.1.left(0x7ffff800), %bb.3.right(0x00000800)
|
|
liveins: %esi, %rdi
|
|
|
|
frame-setup PUSH64r undef %rax, implicit-def %rsp, implicit %rsp
|
|
CFI_INSTRUCTION def_cfa_offset 16
|
|
TEST8ri %sil, 1, implicit-def %eflags, implicit killed %esi
|
|
JE_1 %bb.3.right, implicit killed %eflags
|
|
|
|
bb.1.left:
|
|
successors: %bb.2.null(0x7ffff800), %bb.4.not_null(0x00000800)
|
|
liveins: %rdi
|
|
|
|
%eax = FAULTING_LOAD_OP %bb.2.null, 1684, killed %rdi, 1, _, 0, _ :: (load 4 from %ir.ptr)
|
|
JMP_1 %bb.4.not_null
|
|
|
|
bb.4.not_null:
|
|
liveins: %rdi, %eax
|
|
|
|
%rcx = POP64r implicit-def %rsp, implicit %rsp
|
|
RETQ %eax
|
|
|
|
bb.2.null:
|
|
liveins: %rdi
|
|
|
|
CALL64pcrel32 @stub, csr_64, implicit %rsp, implicit %rdi, implicit-def %rsp
|
|
|
|
bb.3.right:
|
|
dead %edi = XOR32rr undef %edi, undef %edi, implicit-def dead %eflags, implicit-def %rdi
|
|
CALL64pcrel32 @stub, csr_64, implicit %rsp, implicit %rdi, implicit-def %rsp
|
|
|
|
...
|