forked from OSchip/llvm-project
83 lines
1.6 KiB
YAML
83 lines
1.6 KiB
YAML
# RUN: llc -march=x86-64 -run-pass none -o - %s | FileCheck %s
|
|
# This test ensures that the MIR parser parses basic block successors correctly.
|
|
|
|
--- |
|
|
|
|
define i32 @foo(i32 %a) {
|
|
entry:
|
|
%0 = icmp sle i32 %a, 10
|
|
br i1 %0, label %less, label %exit
|
|
|
|
less:
|
|
ret i32 0
|
|
|
|
exit:
|
|
ret i32 %a
|
|
}
|
|
|
|
define i32 @bar(i32 %a) {
|
|
entry:
|
|
%b = icmp sle i32 %a, 10
|
|
br i1 %b, label %0, label %1
|
|
|
|
; <label>:0
|
|
ret i32 0
|
|
|
|
; <label>:1
|
|
ret i32 %a
|
|
}
|
|
|
|
...
|
|
---
|
|
name: foo
|
|
body: |
|
|
; CHECK-LABEL: bb.0.entry:
|
|
; CHECK-LABEL: bb.1.less:
|
|
bb.0.entry:
|
|
successors: %bb.1.less, %bb.2.exit
|
|
liveins: $edi
|
|
|
|
CMP32ri8 $edi, 10, implicit-def $eflags
|
|
JG_1 %bb.2.exit, implicit killed $eflags
|
|
|
|
bb.1.less:
|
|
$eax = MOV32r0 implicit-def dead $eflags
|
|
RETQ killed $eax
|
|
|
|
bb.2.exit:
|
|
liveins: $edi
|
|
|
|
$eax = COPY killed $edi
|
|
RETQ killed $eax
|
|
...
|
|
---
|
|
name: bar
|
|
body: |
|
|
; CHECK-LABEL: name: bar
|
|
; Verify that we can have multiple lists of successors that will be merged
|
|
; into one.
|
|
; CHECK-LABEL: bb.0.entry:
|
|
; CHECK: successors: %bb.1(0x80000000), %bb.2(0x00000000)
|
|
bb.0.entry:
|
|
liveins: $edi
|
|
successors: %bb.1
|
|
successors: %bb.2
|
|
|
|
CMP32ri8 $edi, 10, implicit-def $eflags
|
|
JG_1 %bb.2, implicit killed $eflags
|
|
|
|
; Verify that we can have an empty list of successors.
|
|
; CHECK-LABEL: bb.1:
|
|
; CHECK-NEXT: $eax = MOV32r0 implicit-def dead $eflags
|
|
bb.1:
|
|
successors:
|
|
$eax = MOV32r0 implicit-def dead $eflags
|
|
RETQ killed $eax
|
|
|
|
bb.2:
|
|
liveins: $edi
|
|
|
|
$eax = COPY killed $edi
|
|
RETQ killed $eax
|
|
...
|