; RUN: llc < %s -mcpu=a2 | FileCheck %s ; RUN: llc < %s -mcpu=a2 -disable-lsr | FileCheck -check-prefix=NOLSR %s 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-f128:128:128-v128:128:128-n32:64" target triple = "powerpc64-unknown-linux-gnu" define void @main() #0 { entry: br i1 undef, label %for.end, label %for.body for.body: ; preds = %for.body, %entry %indvars.iv = phi i64 [ %indvars.iv.next, %for.body ], [ 1, %entry ] %indvars.iv.next = add i64 %indvars.iv, 1 %lftr.wideiv = trunc i64 %indvars.iv.next to i32 %exitcond = icmp eq i32 %lftr.wideiv, 0 br i1 %exitcond, label %for.end, label %for.body ; CHECK: @main ; CHECK: li [[REG:[0-9]+]], 0 ; CHECK: oris [[REG2:[0-9]+]], [[REG]], 65535 ; CHECK: ori [[REG3:[0-9]+]], [[REG2]], 65535 ; CHECK: mtctr [[REG3]] ; CHECK: bdnz for.end: ; preds = %for.body, %entry ret void } define void @main1() #0 { entry: br i1 undef, label %for.end, label %for.body for.body: ; preds = %for.body, %entry %indvars.iv = phi i64 [ %indvars.iv.next, %for.body ], [ 1, %entry ] %indvars.iv.next = add i64 %indvars.iv, 1 %exitcond = icmp eq i64 %indvars.iv.next, 0 br i1 %exitcond, label %for.end, label %for.body ; CHECK: @main1 ; CHECK: li [[REG:[0-9]+]], -1 ; CHECK: mtctr [[REG]] ; CHECK: bdnz for.end: ; preds = %for.body, %entry ret void } define void @main2() #0 { entry: br i1 undef, label %for.end, label %for.body for.body: ; preds = %for.body, %entry %indvars.iv = phi i64 [ %indvars.iv.next, %for.body ], [ 1, %entry ] %indvars.iv.next = add i64 %indvars.iv, 1 %exitcond = icmp eq i64 %indvars.iv.next, -100000 br i1 %exitcond, label %for.end, label %for.body ; CHECK: @main2 ; CHECK: lis [[REG:[0-9]+]], -2 ; CHECK: ori [[REG2:[0-9]+]], [[REG]], 31071 ; CHECK: mtctr [[REG2]] ; CHECK: bdnz for.end: ; preds = %for.body, %entry ret void } define void @main3() #0 { entry: br i1 undef, label %for.end, label %for.body for.body: ; preds = %for.body, %entry %indvars.iv = phi i64 [ %indvars.iv.next, %for.body ], [ 127984, %entry ] %indvars.iv.next = add i64 %indvars.iv, -16 %exitcond = icmp eq i64 %indvars.iv.next, -16 br i1 %exitcond, label %for.end, label %for.body ; NOLSR: @main3 ; NOLSR: li [[REG:[0-9]+]], 8000 ; NOLSR: mtctr [[REG]] ; NOLSR: bdnz for.end: ; preds = %for.body, %entry ret void } attributes #0 = { nounwind "less-precise-fpmad"="false" "no-frame-pointer-elim"="false" "no-frame-pointer-elim-non-leaf" "no-infs-fp-math"="false" "no-nans-fp-math"="false" "unsafe-fp-math"="false" "use-soft-float"="false" }