target datalayout = "E-p:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-v128:128:128-n32:64" target triple = "powerpc64-unknown-linux-gnu" ; RUN: llc < %s -march=ppc64 | FileCheck %s ; CHECK: test_pos1_ir_slt ; CHECK: bdnz ; a < b define void @test_pos1_ir_slt(i8* nocapture %p, i32 %a, i32 %b) nounwind { entry: %cmp3 = icmp slt i32 8531, %b br i1 %cmp3, label %for.body.lr.ph, label %for.end for.body.lr.ph: ; preds = %entry br label %for.body for.body: ; preds = %for.body.lr.ph, %for.body %i.04 = phi i32 [ 8531, %for.body.lr.ph ], [ %inc, %for.body ] %arrayidx = getelementptr inbounds i8* %p, i32 %i.04 %0 = load i8* %arrayidx, align 1 %conv = zext i8 %0 to i32 %add = add nsw i32 %conv, 1 %conv1 = trunc i32 %add to i8 store i8 %conv1, i8* %arrayidx, align 1 %inc = add nsw i32 %i.04, 1 %cmp = icmp slt i32 %inc, %b br i1 %cmp, label %for.body, label %for.end for.end: ; preds = %for.body, %entry ret void } ; CHECK: test_pos2_ir_slt ; FIXME: Support this loop! ; CHECK-NOT: bdnz ; a < b define void @test_pos2_ir_slt(i8* nocapture %p, i32 %a, i32 %b) nounwind { entry: %cmp3 = icmp slt i32 9152, %b br i1 %cmp3, label %for.body.lr.ph, label %for.end for.body.lr.ph: ; preds = %entry br label %for.body for.body: ; preds = %for.body.lr.ph, %for.body %i.04 = phi i32 [ 9152, %for.body.lr.ph ], [ %inc, %for.body ] %arrayidx = getelementptr inbounds i8* %p, i32 %i.04 %0 = load i8* %arrayidx, align 1 %conv = zext i8 %0 to i32 %add = add nsw i32 %conv, 1 %conv1 = trunc i32 %add to i8 store i8 %conv1, i8* %arrayidx, align 1 %inc = add nsw i32 %i.04, 2 %cmp = icmp slt i32 %inc, %b br i1 %cmp, label %for.body, label %for.end for.end: ; preds = %for.body, %entry ret void } ; CHECK: test_pos4_ir_slt ; FIXME: Support this loop! ; CHECK-NOT: bdnz ; a < b define void @test_pos4_ir_slt(i8* nocapture %p, i32 %a, i32 %b) nounwind { entry: %cmp3 = icmp slt i32 18851, %b br i1 %cmp3, label %for.body.lr.ph, label %for.end for.body.lr.ph: ; preds = %entry br label %for.body for.body: ; preds = %for.body.lr.ph, %for.body %i.04 = phi i32 [ 18851, %for.body.lr.ph ], [ %inc, %for.body ] %arrayidx = getelementptr inbounds i8* %p, i32 %i.04 %0 = load i8* %arrayidx, align 1 %conv = zext i8 %0 to i32 %add = add nsw i32 %conv, 1 %conv1 = trunc i32 %add to i8 store i8 %conv1, i8* %arrayidx, align 1 %inc = add nsw i32 %i.04, 4 %cmp = icmp slt i32 %inc, %b br i1 %cmp, label %for.body, label %for.end for.end: ; preds = %for.body, %entry ret void } ; CHECK: test_pos8_ir_slt ; FIXME: Support this loop! ; CHECK-NOT: bdnz ; a < b define void @test_pos8_ir_slt(i8* nocapture %p, i32 %a, i32 %b) nounwind { entry: %cmp3 = icmp slt i32 25466, %b br i1 %cmp3, label %for.body.lr.ph, label %for.end for.body.lr.ph: ; preds = %entry br label %for.body for.body: ; preds = %for.body.lr.ph, %for.body %i.04 = phi i32 [ 25466, %for.body.lr.ph ], [ %inc, %for.body ] %arrayidx = getelementptr inbounds i8* %p, i32 %i.04 %0 = load i8* %arrayidx, align 1 %conv = zext i8 %0 to i32 %add = add nsw i32 %conv, 1 %conv1 = trunc i32 %add to i8 store i8 %conv1, i8* %arrayidx, align 1 %inc = add nsw i32 %i.04, 8 %cmp = icmp slt i32 %inc, %b br i1 %cmp, label %for.body, label %for.end for.end: ; preds = %for.body, %entry ret void } ; CHECK: test_pos16_ir_slt ; FIXME: Support this loop! ; CHECK-NOT: bdnz ; a < b define void @test_pos16_ir_slt(i8* nocapture %p, i32 %a, i32 %b) nounwind { entry: %cmp3 = icmp slt i32 9295, %b br i1 %cmp3, label %for.body.lr.ph, label %for.end for.body.lr.ph: ; preds = %entry br label %for.body for.body: ; preds = %for.body.lr.ph, %for.body %i.04 = phi i32 [ 9295, %for.body.lr.ph ], [ %inc, %for.body ] %arrayidx = getelementptr inbounds i8* %p, i32 %i.04 %0 = load i8* %arrayidx, align 1 %conv = zext i8 %0 to i32 %add = add nsw i32 %conv, 1 %conv1 = trunc i32 %add to i8 store i8 %conv1, i8* %arrayidx, align 1 %inc = add nsw i32 %i.04, 16 %cmp = icmp slt i32 %inc, %b br i1 %cmp, label %for.body, label %for.end for.end: ; preds = %for.body, %entry ret void } ; CHECK: test_pos1_ri_slt ; CHECK: bdnz ; a < b define void @test_pos1_ri_slt(i8* nocapture %p, i32 %a, i32 %b) nounwind { entry: %cmp3 = icmp slt i32 %a, 31236 br i1 %cmp3, label %for.body.lr.ph, label %for.end for.body.lr.ph: ; preds = %entry br label %for.body for.body: ; preds = %for.body.lr.ph, %for.body %i.04 = phi i32 [ %a, %for.body.lr.ph ], [ %inc, %for.body ] %arrayidx = getelementptr inbounds i8* %p, i32 %i.04 %0 = load i8* %arrayidx, align 1 %conv = zext i8 %0 to i32 %add = add nsw i32 %conv, 1 %conv1 = trunc i32 %add to i8 store i8 %conv1, i8* %arrayidx, align 1 %inc = add nsw i32 %i.04, 1 %cmp = icmp slt i32 %inc, 31236 br i1 %cmp, label %for.body, label %for.end for.end: ; preds = %for.body, %entry ret void } ; CHECK: test_pos2_ri_slt ; CHECK: bdnz ; a < b define void @test_pos2_ri_slt(i8* nocapture %p, i32 %a, i32 %b) nounwind { entry: %cmp3 = icmp slt i32 %a, 22653 br i1 %cmp3, label %for.body.lr.ph, label %for.end for.body.lr.ph: ; preds = %entry br label %for.body for.body: ; preds = %for.body.lr.ph, %for.body %i.04 = phi i32 [ %a, %for.body.lr.ph ], [ %inc, %for.body ] %arrayidx = getelementptr inbounds i8* %p, i32 %i.04 %0 = load i8* %arrayidx, align 1 %conv = zext i8 %0 to i32 %add = add nsw i32 %conv, 1 %conv1 = trunc i32 %add to i8 store i8 %conv1, i8* %arrayidx, align 1 %inc = add nsw i32 %i.04, 2 %cmp = icmp slt i32 %inc, 22653 br i1 %cmp, label %for.body, label %for.end for.end: ; preds = %for.body, %entry ret void } ; CHECK: test_pos4_ri_slt ; CHECK: bdnz ; a < b define void @test_pos4_ri_slt(i8* nocapture %p, i32 %a, i32 %b) nounwind { entry: %cmp3 = icmp slt i32 %a, 1431 br i1 %cmp3, label %for.body.lr.ph, label %for.end for.body.lr.ph: ; preds = %entry br label %for.body for.body: ; preds = %for.body.lr.ph, %for.body %i.04 = phi i32 [ %a, %for.body.lr.ph ], [ %inc, %for.body ] %arrayidx = getelementptr inbounds i8* %p, i32 %i.04 %0 = load i8* %arrayidx, align 1 %conv = zext i8 %0 to i32 %add = add nsw i32 %conv, 1 %conv1 = trunc i32 %add to i8 store i8 %conv1, i8* %arrayidx, align 1 %inc = add nsw i32 %i.04, 4 %cmp = icmp slt i32 %inc, 1431 br i1 %cmp, label %for.body, label %for.end for.end: ; preds = %for.body, %entry ret void } ; CHECK: test_pos8_ri_slt ; CHECK: bdnz ; a < b define void @test_pos8_ri_slt(i8* nocapture %p, i32 %a, i32 %b) nounwind { entry: %cmp3 = icmp slt i32 %a, 22403 br i1 %cmp3, label %for.body.lr.ph, label %for.end for.body.lr.ph: ; preds = %entry br label %for.body for.body: ; preds = %for.body.lr.ph, %for.body %i.04 = phi i32 [ %a, %for.body.lr.ph ], [ %inc, %for.body ] %arrayidx = getelementptr inbounds i8* %p, i32 %i.04 %0 = load i8* %arrayidx, align 1 %conv = zext i8 %0 to i32 %add = add nsw i32 %conv, 1 %conv1 = trunc i32 %add to i8 store i8 %conv1, i8* %arrayidx, align 1 %inc = add nsw i32 %i.04, 8 %cmp = icmp slt i32 %inc, 22403 br i1 %cmp, label %for.body, label %for.end for.end: ; preds = %for.body, %entry ret void } ; CHECK: test_pos16_ri_slt ; CHECK: bdnz ; a < b define void @test_pos16_ri_slt(i8* nocapture %p, i32 %a, i32 %b) nounwind { entry: %cmp3 = icmp slt i32 %a, 21715 br i1 %cmp3, label %for.body.lr.ph, label %for.end for.body.lr.ph: ; preds = %entry br label %for.body for.body: ; preds = %for.body.lr.ph, %for.body %i.04 = phi i32 [ %a, %for.body.lr.ph ], [ %inc, %for.body ] %arrayidx = getelementptr inbounds i8* %p, i32 %i.04 %0 = load i8* %arrayidx, align 1 %conv = zext i8 %0 to i32 %add = add nsw i32 %conv, 1 %conv1 = trunc i32 %add to i8 store i8 %conv1, i8* %arrayidx, align 1 %inc = add nsw i32 %i.04, 16 %cmp = icmp slt i32 %inc, 21715 br i1 %cmp, label %for.body, label %for.end for.end: ; preds = %for.body, %entry ret void } ; CHECK: test_pos1_rr_slt ; CHECK: bdnz ; a < b define void @test_pos1_rr_slt(i8* nocapture %p, i32 %a, i32 %b) nounwind { entry: %cmp3 = icmp slt i32 %a, %b br i1 %cmp3, label %for.body.lr.ph, label %for.end for.body.lr.ph: ; preds = %entry br label %for.body for.body: ; preds = %for.body.lr.ph, %for.body %i.04 = phi i32 [ %a, %for.body.lr.ph ], [ %inc, %for.body ] %arrayidx = getelementptr inbounds i8* %p, i32 %i.04 %0 = load i8* %arrayidx, align 1 %conv = zext i8 %0 to i32 %add = add nsw i32 %conv, 1 %conv1 = trunc i32 %add to i8 store i8 %conv1, i8* %arrayidx, align 1 %inc = add nsw i32 %i.04, 1 %cmp = icmp slt i32 %inc, %b br i1 %cmp, label %for.body, label %for.end for.end: ; preds = %for.body, %entry ret void } ; CHECK: test_pos2_rr_slt ; FIXME: Support this loop! ; CHECK-NOT: bdnz ; a < b define void @test_pos2_rr_slt(i8* nocapture %p, i32 %a, i32 %b) nounwind { entry: %cmp3 = icmp slt i32 %a, %b br i1 %cmp3, label %for.body.lr.ph, label %for.end for.body.lr.ph: ; preds = %entry br label %for.body for.body: ; preds = %for.body.lr.ph, %for.body %i.04 = phi i32 [ %a, %for.body.lr.ph ], [ %inc, %for.body ] %arrayidx = getelementptr inbounds i8* %p, i32 %i.04 %0 = load i8* %arrayidx, align 1 %conv = zext i8 %0 to i32 %add = add nsw i32 %conv, 1 %conv1 = trunc i32 %add to i8 store i8 %conv1, i8* %arrayidx, align 1 %inc = add nsw i32 %i.04, 2 %cmp = icmp slt i32 %inc, %b br i1 %cmp, label %for.body, label %for.end for.end: ; preds = %for.body, %entry ret void } ; CHECK: test_pos4_rr_slt ; FIXME: Support this loop! ; CHECK-NOT: bdnz ; a < b define void @test_pos4_rr_slt(i8* nocapture %p, i32 %a, i32 %b) nounwind { entry: %cmp3 = icmp slt i32 %a, %b br i1 %cmp3, label %for.body.lr.ph, label %for.end for.body.lr.ph: ; preds = %entry br label %for.body for.body: ; preds = %for.body.lr.ph, %for.body %i.04 = phi i32 [ %a, %for.body.lr.ph ], [ %inc, %for.body ] %arrayidx = getelementptr inbounds i8* %p, i32 %i.04 %0 = load i8* %arrayidx, align 1 %conv = zext i8 %0 to i32 %add = add nsw i32 %conv, 1 %conv1 = trunc i32 %add to i8 store i8 %conv1, i8* %arrayidx, align 1 %inc = add nsw i32 %i.04, 4 %cmp = icmp slt i32 %inc, %b br i1 %cmp, label %for.body, label %for.end for.end: ; preds = %for.body, %entry ret void } ; CHECK: test_pos8_rr_slt ; FIXME: Support this loop! ; CHECK-NOT: bdnz ; a < b define void @test_pos8_rr_slt(i8* nocapture %p, i32 %a, i32 %b) nounwind { entry: %cmp3 = icmp slt i32 %a, %b br i1 %cmp3, label %for.body.lr.ph, label %for.end for.body.lr.ph: ; preds = %entry br label %for.body for.body: ; preds = %for.body.lr.ph, %for.body %i.04 = phi i32 [ %a, %for.body.lr.ph ], [ %inc, %for.body ] %arrayidx = getelementptr inbounds i8* %p, i32 %i.04 %0 = load i8* %arrayidx, align 1 %conv = zext i8 %0 to i32 %add = add nsw i32 %conv, 1 %conv1 = trunc i32 %add to i8 store i8 %conv1, i8* %arrayidx, align 1 %inc = add nsw i32 %i.04, 8 %cmp = icmp slt i32 %inc, %b br i1 %cmp, label %for.body, label %for.end for.end: ; preds = %for.body, %entry ret void } ; CHECK: test_pos16_rr_slt ; FIXME: Support this loop! ; CHECK-NOT: bdnz ; a < b define void @test_pos16_rr_slt(i8* nocapture %p, i32 %a, i32 %b) nounwind { entry: %cmp3 = icmp slt i32 %a, %b br i1 %cmp3, label %for.body.lr.ph, label %for.end for.body.lr.ph: ; preds = %entry br label %for.body for.body: ; preds = %for.body.lr.ph, %for.body %i.04 = phi i32 [ %a, %for.body.lr.ph ], [ %inc, %for.body ] %arrayidx = getelementptr inbounds i8* %p, i32 %i.04 %0 = load i8* %arrayidx, align 1 %conv = zext i8 %0 to i32 %add = add nsw i32 %conv, 1 %conv1 = trunc i32 %add to i8 store i8 %conv1, i8* %arrayidx, align 1 %inc = add nsw i32 %i.04, 16 %cmp = icmp slt i32 %inc, %b br i1 %cmp, label %for.body, label %for.end for.end: ; preds = %for.body, %entry ret void }