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|
# RUN: llc -mtriple=aarch64-linux-gnu -run-pass peephole-opt -o - %s | FileCheck %s
# CHECK: %1:gpr32common = ANDWri {{.*}}
# CHECK-NEXT: %wzr = SUBSWri {{.*}}
--- |
define i32 @test01() nounwind {
entry:
%0 = select i1 true, i32 1, i32 0
%1 = and i32 %0, 65535
%2 = icmp ugt i32 %1, 0
br i1 %2, label %if.then, label %if.end
if.then: ; preds = %entry
ret i32 1
if.end: ; preds = %entry
ret i32 0
}
...
---
name: test01
registers:
- { id: 0, class: gpr32 }
- { id: 1, class: gpr32common }
body: |
bb.0.entry:
successors: %bb.2.if.end, %bb.1.if.then
%0 = MOVi32imm 1
%1 = ANDWri killed %1, 15
%wzr = SUBSWri killed %1, 0, 0, implicit-def %nzcv
Bcc 9, %bb.2.if.end, implicit %nzcv
bb.1.if.then:
%w0 = MOVi32imm 1
RET_ReallyLR implicit %w0
bb.2.if.end:
%w0 = MOVi32imm 0
RET_ReallyLR implicit %w0
...
|
