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; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
; RUN: llc --mtriple=loongarch32 < %s | FileCheck %s
; RUN: llc --mtriple=loongarch64 < %s | FileCheck %s
declare i32 @llvm.loongarch.csrrd.w(i32 immarg) nounwind
declare i32 @llvm.loongarch.csrwr.w(i32, i32 immarg) nounwind
declare void @bug()
define dso_local void @foo(i32 noundef signext %flag) nounwind {
; CHECK-LABEL: foo:
; CHECK: # %bb.0: # %entry
; CHECK-NEXT: beqz $a0, .LBB0_2
; CHECK-NEXT: # %bb.1: # %if.then
; CHECK-NEXT: csrrd $a0, 2
; CHECK-NEXT: ori $a0, $a0, 1
; CHECK-NEXT: csrwr $a0, 2
; CHECK-NEXT: .LBB0_2: # %if.end
; CHECK-NEXT: csrrd $a0, 2
; CHECK-NEXT: andi $a0, $a0, 1
; CHECK-NEXT: bnez $a0, .LBB0_4
; CHECK-NEXT: # %bb.3: # %if.then2
; CHECK-NEXT: b %plt(bug)
; CHECK-NEXT: .LBB0_4: # %if.end3
; CHECK-NEXT: ret
entry:
%tobool.not = icmp eq i32 %flag, 0
br i1 %tobool.not, label %if.end, label %if.then
if.then: ; preds = %entry
%0 = tail call i32 @llvm.loongarch.csrrd.w(i32 2)
%or = or i32 %0, 1
%1 = tail call i32 @llvm.loongarch.csrwr.w(i32 %or, i32 2)
br label %if.end
if.end: ; preds = %if.then, %entry
%2 = tail call i32 @llvm.loongarch.csrrd.w(i32 2)
%and = and i32 %2, 1
%tobool1.not = icmp eq i32 %and, 0
br i1 %tobool1.not, label %if.then2, label %if.end3
if.then2: ; preds = %if.end
tail call void @bug()
br label %if.end3
if.end3: ; preds = %if.then2, %if.end
ret void
}
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