86 lines · plain
1; RUN: llc < %s -mcpu=a2 -verify-machineinstrs | FileCheck %s2; RUN: llc < %s -mcpu=a2 -disable-lsr -verify-machineinstrs | FileCheck -check-prefix=NOLSR %s3target 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"4target triple = "powerpc64-unknown-linux-gnu"5 6define void @main() #0 {7entry:8 br i1 undef, label %for.end, label %for.body9 10for.body: ; preds = %for.body, %entry11 %indvars.iv = phi i64 [ %indvars.iv.next, %for.body ], [ 1, %entry ]12 %indvars.iv.next = add i64 %indvars.iv, 113 %lftr.wideiv = trunc i64 %indvars.iv.next to i3214 %exitcond = icmp eq i32 %lftr.wideiv, 015 br i1 %exitcond, label %for.end, label %for.body16 17; CHECK: @main18; CHECK: li [[REG:[0-9]+]], -119; CHECK: rldic [[REG2:[0-9]+]], [[REG]], 0, 3220; CHECK: mtctr [[REG2]]21; CHECK: bdnz22 23for.end: ; preds = %for.body, %entry24 ret void25}26 27define void @main1() #0 {28entry:29 br i1 undef, label %for.end, label %for.body30 31for.body: ; preds = %for.body, %entry32 %indvars.iv = phi i64 [ %indvars.iv.next, %for.body ], [ 1, %entry ]33 %indvars.iv.next = add i64 %indvars.iv, 134 %exitcond = icmp eq i64 %indvars.iv.next, 035 br i1 %exitcond, label %for.end, label %for.body36 37; CHECK: @main138; CHECK: li [[REG:[0-9]+]], -139; CHECK: mtctr [[REG]]40; CHECK: bdnz41 42for.end: ; preds = %for.body, %entry43 ret void44}45 46define void @main2() #0 {47entry:48 br i1 undef, label %for.end, label %for.body49 50for.body: ; preds = %for.body, %entry51 %indvars.iv = phi i64 [ %indvars.iv.next, %for.body ], [ 1, %entry ]52 %indvars.iv.next = add i64 %indvars.iv, 153 %exitcond = icmp eq i64 %indvars.iv.next, -10000054 br i1 %exitcond, label %for.end, label %for.body55 56; CHECK: @main257; CHECK: lis [[REG:[0-9]+]], -258; CHECK: ori [[REG2:[0-9]+]], [[REG]], 3107159; CHECK: mtctr [[REG2]]60; CHECK: bdnz61 62for.end: ; preds = %for.body, %entry63 ret void64}65 66define void @main3() #0 {67entry:68 br i1 undef, label %for.end, label %for.body69 70for.body: ; preds = %for.body, %entry71 %indvars.iv = phi i64 [ %indvars.iv.next, %for.body ], [ 127984, %entry ]72 %indvars.iv.next = add i64 %indvars.iv, -1673 %exitcond = icmp eq i64 %indvars.iv.next, -1674 br i1 %exitcond, label %for.end, label %for.body75 76; NOLSR: @main377; NOLSR: li [[REG:[0-9]+]], 800078; NOLSR: mtctr [[REG]]79; NOLSR: bdnz80 81for.end: ; preds = %for.body, %entry82 ret void83}84 85attributes #0 = { nounwind "less-precise-fpmad"="false" "frame-pointer"="non-leaf" "no-infs-fp-math"="false" "no-nans-fp-math"="false" "use-soft-float"="false" }86