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_ne ; CHECK: bdnz ; a < b define void @test_pos1_ir_ne(i8* nocapture %p, i32 %a, i32 %b) nounwind { entry: %cmp3 = icmp slt i32 32623, %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 [ 32623, %for.body.lr.ph ], [ %inc, %for.body ] %arrayidx = getelementptr inbounds i8, i8* %p, i32 %i.04 %0 = load i8, 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 ne i32 %inc, %b br i1 %cmp, label %for.body, label %for.end for.end: ; preds = %for.body, %entry ret void } ; CHECK: test_pos2_ir_ne ; FIXME: Support this loop! ; CHECK-NOT: bdnz ; a < b define void @test_pos2_ir_ne(i8* nocapture %p, i32 %a, i32 %b) nounwind { entry: %cmp3 = icmp slt i32 29554, %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 [ 29554, %for.body.lr.ph ], [ %inc, %for.body ] %arrayidx = getelementptr inbounds i8, i8* %p, i32 %i.04 %0 = load i8, 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 ne i32 %inc, %b br i1 %cmp, label %for.body, label %for.end for.end: ; preds = %for.body, %entry ret void } ; CHECK: test_pos4_ir_ne ; FIXME: Support this loop! ; CHECK-NOT: bdnz ; a < b define void @test_pos4_ir_ne(i8* nocapture %p, i32 %a, i32 %b) nounwind { entry: %cmp3 = icmp slt i32 15692, %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 [ 15692, %for.body.lr.ph ], [ %inc, %for.body ] %arrayidx = getelementptr inbounds i8, i8* %p, i32 %i.04 %0 = load i8, 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 ne i32 %inc, %b br i1 %cmp, label %for.body, label %for.end for.end: ; preds = %for.body, %entry ret void } ; CHECK: test_pos8_ir_ne ; FIXME: Support this loop! ; CHECK-NOT: bdnz ; a < b define void @test_pos8_ir_ne(i8* nocapture %p, i32 %a, i32 %b) nounwind { entry: %cmp3 = icmp slt i32 10449, %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 [ 10449, %for.body.lr.ph ], [ %inc, %for.body ] %arrayidx = getelementptr inbounds i8, i8* %p, i32 %i.04 %0 = load i8, 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 ne i32 %inc, %b br i1 %cmp, label %for.body, label %for.end for.end: ; preds = %for.body, %entry ret void } ; CHECK: test_pos16_ir_ne ; FIXME: Support this loop! ; CHECK-NOT: bdnz ; a < b define void @test_pos16_ir_ne(i8* nocapture %p, i32 %a, i32 %b) nounwind { entry: %cmp3 = icmp slt i32 32087, %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 [ 32087, %for.body.lr.ph ], [ %inc, %for.body ] %arrayidx = getelementptr inbounds i8, i8* %p, i32 %i.04 %0 = load i8, 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 ne i32 %inc, %b br i1 %cmp, label %for.body, label %for.end for.end: ; preds = %for.body, %entry ret void } ; CHECK: test_pos1_ri_ne ; CHECK: bdnz ; a < b define void @test_pos1_ri_ne(i8* nocapture %p, i32 %a, i32 %b) nounwind { entry: %cmp3 = icmp slt i32 %a, 3472 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, i8* %p, i32 %i.04 %0 = load i8, 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 ne i32 %inc, 3472 br i1 %cmp, label %for.body, label %for.end for.end: ; preds = %for.body, %entry ret void } ; CHECK: test_pos2_ri_ne ; FIXME: Support this loop! ; CHECK-NOT: bdnz ; a < b define void @test_pos2_ri_ne(i8* nocapture %p, i32 %a, i32 %b) nounwind { entry: %cmp3 = icmp slt i32 %a, 8730 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, i8* %p, i32 %i.04 %0 = load i8, 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 ne i32 %inc, 8730 br i1 %cmp, label %for.body, label %for.end for.end: ; preds = %for.body, %entry ret void } ; CHECK: test_pos4_ri_ne ; FIXME: Support this loop! ; CHECK-NOT: bdnz ; a < b define void @test_pos4_ri_ne(i8* nocapture %p, i32 %a, i32 %b) nounwind { entry: %cmp3 = icmp slt i32 %a, 1493 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, i8* %p, i32 %i.04 %0 = load i8, 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 ne i32 %inc, 1493 br i1 %cmp, label %for.body, label %for.end for.end: ; preds = %for.body, %entry ret void } ; CHECK: test_pos8_ri_ne ; FIXME: Support this loop! ; CHECK-NOT: bdnz ; a < b define void @test_pos8_ri_ne(i8* nocapture %p, i32 %a, i32 %b) nounwind { entry: %cmp3 = icmp slt i32 %a, 1706 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, i8* %p, i32 %i.04 %0 = load i8, 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 ne i32 %inc, 1706 br i1 %cmp, label %for.body, label %for.end for.end: ; preds = %for.body, %entry ret void } ; CHECK: test_pos16_ri_ne ; FIXME: Support this loop! ; CHECK-NOT: bdnz ; a < b define void @test_pos16_ri_ne(i8* nocapture %p, i32 %a, i32 %b) nounwind { entry: %cmp3 = icmp slt i32 %a, 1886 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, i8* %p, i32 %i.04 %0 = load i8, 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 ne i32 %inc, 1886 br i1 %cmp, label %for.body, label %for.end for.end: ; preds = %for.body, %entry ret void } ; CHECK: test_pos1_rr_ne ; CHECK: bdnz ; a < b define void @test_pos1_rr_ne(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, i8* %p, i32 %i.04 %0 = load i8, 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 ne i32 %inc, %b br i1 %cmp, label %for.body, label %for.end for.end: ; preds = %for.body, %entry ret void } ; CHECK: test_pos2_rr_ne ; FIXME: Support this loop! ; CHECK-NOT: bdnz ; a < b define void @test_pos2_rr_ne(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, i8* %p, i32 %i.04 %0 = load i8, 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 ne i32 %inc, %b br i1 %cmp, label %for.body, label %for.end for.end: ; preds = %for.body, %entry ret void } ; CHECK: test_pos4_rr_ne ; FIXME: Support this loop! ; CHECK-NOT: bdnz ; a < b define void @test_pos4_rr_ne(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, i8* %p, i32 %i.04 %0 = load i8, 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 ne i32 %inc, %b br i1 %cmp, label %for.body, label %for.end for.end: ; preds = %for.body, %entry ret void } ; CHECK: test_pos8_rr_ne ; FIXME: Support this loop! ; CHECK-NOT: bdnz ; a < b define void @test_pos8_rr_ne(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, i8* %p, i32 %i.04 %0 = load i8, 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 ne i32 %inc, %b br i1 %cmp, label %for.body, label %for.end for.end: ; preds = %for.body, %entry ret void } ; CHECK: test_pos16_rr_ne ; FIXME: Support this loop! ; CHECK-NOT: bdnz ; a < b define void @test_pos16_rr_ne(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, i8* %p, i32 %i.04 %0 = load i8, 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 ne i32 %inc, %b br i1 %cmp, label %for.body, label %for.end for.end: ; preds = %for.body, %entry ret void }