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|
# RUN: llc -march=x86-64 -start-after branch-folder -stop-after branch-folder -o /dev/null %s 2>&1 | FileCheck %s
# This test ensures that the MIR parser parses machine basic block operands.
--- |
define i32 @foo(i32* %p) {
entry:
%a = load i32, i32* %p
%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* %p) {
entry:
%a = load i32, i32* %p
%b = icmp sle i32 %a, 10
br i1 %b, label %0, label %1
; <label>:0
ret i32 0
; <label>:1
ret i32 %a
}
...
---
# CHECK: name: foo
name: foo
body: |
; CHECK: bb.0.entry
bb.0.entry:
successors: %bb.1.less, %bb.2.exit
%eax = MOV32rm %rdi, 1, _, 0, _
; CHECK: CMP32ri8 %eax, 10
; CHECK-NEXT: JG_1 %bb.2.exit
CMP32ri8 %eax, 10, implicit-def %eflags
JG_1 %bb.2.exit, implicit %eflags
; CHECK: bb.1.less:
bb.1.less:
%eax = MOV32r0 implicit-def %eflags
bb.2.exit:
RETQ %eax
...
---
# CHECK: name: bar
name: bar
body: |
; CHECK: bb.0.entry:
bb.0.entry:
successors: %bb.1, %bb.3
%eax = MOV32rm %rdi, 1, _, 0, _
; CHECK: CMP32ri8 %eax, 10
; CHECK-NEXT: JG_1 %bb.2
CMP32ri8 %eax, 10, implicit-def %eflags
JG_1 %bb.3, implicit %eflags
bb.1:
%eax = MOV32r0 implicit-def %eflags
bb.3:
RETQ %eax
...
|
