| ; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py |
| ; RUN: llc --mtriple=loongarch64 -mattr=+d < %s | FileCheck %s |
| |
| declare i32 @llvm.loongarch.iocsrrd.b(i32) nounwind |
| declare void @llvm.loongarch.iocsrwr.b(i32, i32) nounwind |
| declare i32 @llvm.loongarch.iocsrrd.h(i32) nounwind |
| declare void @llvm.loongarch.iocsrwr.h(i32, i32) nounwind |
| declare i32 @llvm.loongarch.iocsrrd.w(i32) nounwind |
| declare void @llvm.loongarch.iocsrwr.w(i32, i32) nounwind |
| declare i64 @llvm.loongarch.iocsrrd.d(i32) nounwind |
| declare void @llvm.loongarch.iocsrwr.d(i64, i32) nounwind |
| declare void @bug() |
| |
| define dso_local void @test_b(i32 noundef signext %flag) nounwind { |
| ; CHECK-LABEL: test_b: |
| ; CHECK: # %bb.0: # %entry |
| ; CHECK-NEXT: beqz $a0, .LBB0_2 |
| ; CHECK-NEXT: # %bb.1: # %if.then |
| ; CHECK-NEXT: ori $a0, $zero, 2 |
| ; CHECK-NEXT: iocsrrd.b $a1, $a0 |
| ; CHECK-NEXT: ori $a1, $a1, 1 |
| ; CHECK-NEXT: iocsrwr.b $a1, $a0 |
| ; CHECK-NEXT: .LBB0_2: # %if.end |
| ; CHECK-NEXT: ori $a0, $zero, 2 |
| ; CHECK-NEXT: iocsrrd.b $a0, $a0 |
| ; CHECK-NEXT: andi $a0, $a0, 1 |
| ; CHECK-NEXT: bnez $a0, .LBB0_4 |
| ; CHECK-NEXT: # %bb.3: # %if.then2 |
| ; CHECK-NEXT: pcaddu18i $t8, %call36(bug) |
| ; CHECK-NEXT: jr $t8 |
| ; 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.iocsrrd.b(i32 2) |
| %or = or i32 %0, 1 |
| tail call void @llvm.loongarch.iocsrwr.b(i32 %or, i32 2) |
| br label %if.end |
| |
| if.end: ; preds = %if.then, %entry |
| %1 = tail call i32 @llvm.loongarch.iocsrrd.b(i32 2) |
| %and = and i32 %1, 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 |
| } |
| |
| define dso_local void @test_h(i32 noundef signext %flag) nounwind { |
| ; CHECK-LABEL: test_h: |
| ; CHECK: # %bb.0: # %entry |
| ; CHECK-NEXT: beqz $a0, .LBB1_2 |
| ; CHECK-NEXT: # %bb.1: # %if.then |
| ; CHECK-NEXT: ori $a0, $zero, 2 |
| ; CHECK-NEXT: iocsrrd.h $a1, $a0 |
| ; CHECK-NEXT: ori $a1, $a1, 1 |
| ; CHECK-NEXT: iocsrwr.h $a1, $a0 |
| ; CHECK-NEXT: .LBB1_2: # %if.end |
| ; CHECK-NEXT: ori $a0, $zero, 2 |
| ; CHECK-NEXT: iocsrrd.h $a0, $a0 |
| ; CHECK-NEXT: andi $a0, $a0, 1 |
| ; CHECK-NEXT: bnez $a0, .LBB1_4 |
| ; CHECK-NEXT: # %bb.3: # %if.then2 |
| ; CHECK-NEXT: pcaddu18i $t8, %call36(bug) |
| ; CHECK-NEXT: jr $t8 |
| ; CHECK-NEXT: .LBB1_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.iocsrrd.h(i32 2) |
| %or = or i32 %0, 1 |
| tail call void @llvm.loongarch.iocsrwr.h(i32 %or, i32 2) |
| br label %if.end |
| |
| if.end: ; preds = %if.then, %entry |
| %1 = tail call i32 @llvm.loongarch.iocsrrd.h(i32 2) |
| %and = and i32 %1, 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 |
| } |
| |
| define dso_local void @test_w(i32 noundef signext %flag) nounwind { |
| ; CHECK-LABEL: test_w: |
| ; CHECK: # %bb.0: # %entry |
| ; CHECK-NEXT: beqz $a0, .LBB2_2 |
| ; CHECK-NEXT: # %bb.1: # %if.then |
| ; CHECK-NEXT: ori $a0, $zero, 2 |
| ; CHECK-NEXT: iocsrrd.w $a1, $a0 |
| ; CHECK-NEXT: ori $a1, $a1, 1 |
| ; CHECK-NEXT: iocsrwr.w $a1, $a0 |
| ; CHECK-NEXT: .LBB2_2: # %if.end |
| ; CHECK-NEXT: ori $a0, $zero, 2 |
| ; CHECK-NEXT: iocsrrd.w $a0, $a0 |
| ; CHECK-NEXT: andi $a0, $a0, 1 |
| ; CHECK-NEXT: bnez $a0, .LBB2_4 |
| ; CHECK-NEXT: # %bb.3: # %if.then2 |
| ; CHECK-NEXT: pcaddu18i $t8, %call36(bug) |
| ; CHECK-NEXT: jr $t8 |
| ; CHECK-NEXT: .LBB2_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.iocsrrd.w(i32 2) |
| %or = or i32 %0, 1 |
| tail call void @llvm.loongarch.iocsrwr.w(i32 %or, i32 2) |
| br label %if.end |
| |
| if.end: ; preds = %if.then, %entry |
| %1 = tail call i32 @llvm.loongarch.iocsrrd.w(i32 2) |
| %and = and i32 %1, 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 |
| } |
| |
| define dso_local void @test_d(i32 noundef signext %flag) nounwind { |
| ; CHECK-LABEL: test_d: |
| ; CHECK: # %bb.0: # %entry |
| ; CHECK-NEXT: beqz $a0, .LBB3_2 |
| ; CHECK-NEXT: # %bb.1: # %if.then |
| ; CHECK-NEXT: ori $a0, $zero, 2 |
| ; CHECK-NEXT: iocsrrd.d $a1, $a0 |
| ; CHECK-NEXT: ori $a1, $a1, 1 |
| ; CHECK-NEXT: iocsrwr.d $a1, $a0 |
| ; CHECK-NEXT: .LBB3_2: # %if.end |
| ; CHECK-NEXT: ori $a0, $zero, 2 |
| ; CHECK-NEXT: iocsrrd.d $a0, $a0 |
| ; CHECK-NEXT: andi $a0, $a0, 1 |
| ; CHECK-NEXT: bnez $a0, .LBB3_4 |
| ; CHECK-NEXT: # %bb.3: # %if.then2 |
| ; CHECK-NEXT: pcaddu18i $t8, %call36(bug) |
| ; CHECK-NEXT: jr $t8 |
| ; CHECK-NEXT: .LBB3_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 i64 @llvm.loongarch.iocsrrd.d(i32 2) |
| %or = or i64 %0, 1 |
| tail call void @llvm.loongarch.iocsrwr.d(i64 %or, i32 2) |
| br label %if.end |
| |
| if.end: ; preds = %if.then, %entry |
| %1 = tail call i64 @llvm.loongarch.iocsrrd.d(i32 2) |
| %and = and i64 %1, 1 |
| %tobool1.not = icmp eq i64 %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 |
| } |
