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# NOTE: Assertions have been autogenerated by utils/update_mir_test_checks.py
# RUN: llc %s -o - -mtriple=x86_64-unknown-linux-gnu -run-pass=x86-flags-copy-lowering -verify-machineinstrs | FileCheck %s
--- |
; ModuleID = 'bugpoint-reduced-simplified.ll'
source_filename = "test.c"
target datalayout = "e-m:e-p270:32:32-p271:32:32-p272:64:64-i64:64-f80:128-n8:16:32:64-S128"
target triple = "x86_64-unknown-linux-gnu"
@a = external global i32, align 4
declare void @e()
define void @f() {
entry:
br label %for.body
for.body: ; preds = %for.body, %entry
%0 = load i32, ptr @a, align 4
%conv = sext i32 %0 to i64
%1 = load i64, ptr undef, align 8
%or = or i64 %1, %conv
store i64 %or, ptr undef, align 8
call void @e()
%cmp4 = icmp eq i64 %or, 0
%conv5 = zext i1 %cmp4 to i32
%conv6 = trunc i32 %conv5 to i8
store i8 %conv6, ptr undef, align 1
%conv7 = sext i8 %conv6 to i32
%bf.cast = trunc i40 undef to i32
%xor = xor i32 %conv7, %bf.cast
%conv8 = sext i32 %xor to i64
store i64 %conv8, ptr undef, align 8
br label %for.body
}
...
---
name: f
alignment: 16
tracksRegLiveness: true
registers:
- { id: 0, class: gr64 }
- { id: 1, class: gr64 }
- { id: 2, class: gr32 }
- { id: 3, class: gr64 }
- { id: 4, class: gr32 }
- { id: 5, class: gr32 }
- { id: 6, class: gr32 }
- { id: 7, class: gr64 }
- { id: 8, class: gr64 }
- { id: 9, class: gr64 }
- { id: 10, class: gr64 }
- { id: 11, class: gr8 }
- { id: 12, class: gr64 }
frameInfo:
maxAlignment: 1
hasCalls: true
machineFunctionInfo: {}
body: |
; CHECK-LABEL: name: f
; CHECK: bb.0.entry:
; CHECK: successors: %bb.1(0x80000000)
; CHECK: JMP_1 %bb.1
; CHECK: bb.1.for.body:
; CHECK: successors: %bb.1(0x80000000)
; CHECK: [[MOV64rm:%[0-9]+]]:gr64 = MOV64rm $rip, 1, $noreg, target-flags(x86-gotpcrel) @a, $noreg :: (load (s64) from got)
; CHECK: [[MOVSX64rm32_:%[0-9]+]]:gr64 = MOVSX64rm32 killed [[MOV64rm]], 1, $noreg, 0, $noreg :: (dereferenceable load (s32) from @a)
; CHECK: [[DEF:%[0-9]+]]:gr64 = IMPLICIT_DEF
; CHECK: OR64mr [[DEF]], 1, $noreg, 0, $noreg, [[MOVSX64rm32_]], implicit-def $eflags :: (store (s64) into `ptr undef`), (load (s64) from `ptr undef`)
; CHECK: [[SETCCr:%[0-9]+]]:gr8 = SETCCr 4, implicit $eflags
; CHECK: ADJCALLSTACKDOWN64 0, 0, 0, implicit-def dead $rsp, implicit-def dead $eflags, implicit-def dead $ssp, implicit $rsp, implicit $ssp
; CHECK: CALL64pcrel32 target-flags(x86-plt) @e, csr_64, implicit $rsp, implicit $ssp, implicit-def $rsp, implicit-def $ssp
; CHECK: ADJCALLSTACKUP64 0, 0, implicit-def dead $rsp, implicit-def dead $eflags, implicit-def dead $ssp, implicit $rsp, implicit $ssp
; CHECK: [[MOVZX32rr8_:%[0-9]+]]:gr32 = MOVZX32rr8 [[SETCCr]]
; CHECK: [[DEF1:%[0-9]+]]:gr64 = IMPLICIT_DEF
; CHECK: MOV8mr [[DEF1]], 1, $noreg, 0, $noreg, [[SETCCr]] :: (store (s8) into `ptr undef`)
; CHECK: [[DEF2:%[0-9]+]]:gr32 = IMPLICIT_DEF
; CHECK: [[XOR32rr:%[0-9]+]]:gr32 = XOR32rr [[MOVZX32rr8_]], [[DEF2]], implicit-def $eflags
; CHECK: [[MOVSX64rr32_:%[0-9]+]]:gr64 = MOVSX64rr32 [[XOR32rr]]
; CHECK: [[DEF3:%[0-9]+]]:gr64 = IMPLICIT_DEF
; CHECK: MOV64mr [[DEF3]], 1, $noreg, 0, $noreg, [[MOVSX64rr32_]] :: (store (s64) into `ptr undef`)
; CHECK: JMP_1 %bb.1
bb.0.entry:
JMP_1 %bb.1
bb.1.for.body:
%7:gr64 = MOV64rm $rip, 1, $noreg, target-flags(x86-gotpcrel) @a, $noreg :: (load (s64) from got)
%8:gr64 = MOVSX64rm32 killed %7, 1, $noreg, 0, $noreg :: (dereferenceable load (s32) from @a)
%9:gr64 = IMPLICIT_DEF
OR64mr %9, 1, $noreg, 0, $noreg, %8, implicit-def $eflags :: (store (s64) into `ptr undef`), (load (s64) from `ptr undef`)
%10:gr64 = COPY $eflags
ADJCALLSTACKDOWN64 0, 0, 0, implicit-def dead $rsp, implicit-def dead $eflags, implicit-def dead $ssp, implicit $rsp, implicit $ssp
CALL64pcrel32 target-flags(x86-plt) @e, csr_64, implicit $rsp, implicit $ssp, implicit-def $rsp, implicit-def $ssp
ADJCALLSTACKUP64 0, 0, implicit-def dead $rsp, implicit-def dead $eflags, implicit-def dead $ssp, implicit $rsp, implicit $ssp
$eflags = COPY %10
%11:gr8 = SETCCr 4, implicit $eflags
%4:gr32 = MOVZX32rr8 killed %11
%12:gr64 = IMPLICIT_DEF
SETCCm %12, 1, $noreg, 0, $noreg, 4, implicit $eflags :: (store (s8) into `ptr undef`)
%5:gr32 = IMPLICIT_DEF
%6:gr32 = XOR32rr %4, %5, implicit-def $eflags
%3:gr64 = MOVSX64rr32 %6
%0:gr64 = IMPLICIT_DEF
MOV64mr %0, 1, $noreg, 0, $noreg, %3 :: (store (s64) into `ptr undef`)
JMP_1 %bb.1
...
|
