forked from OSchip/llvm-project
71 lines
3.0 KiB
LLVM
71 lines
3.0 KiB
LLVM
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; RUN: llc -verify-regalloc < %s | FileCheck %s
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; Check all spills are rematerialized.
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; CHECK-NOT: Spill
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target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128"
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target triple = "x86_64-unknown-linux-gnu"
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@b = common global double 0.000000e+00, align 8
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@a = common global i32 0, align 4
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; Function Attrs: nounwind uwtable
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define i32 @uniform_testdata(i32 %p1) {
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entry:
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%cmp3 = icmp sgt i32 %p1, 0
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br i1 %cmp3, label %for.body.preheader, label %for.end
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for.body.preheader: ; preds = %entry
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%tmp = add i32 %p1, -1
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%xtraiter = and i32 %p1, 7
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%lcmp.mod = icmp eq i32 %xtraiter, 0
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br i1 %lcmp.mod, label %for.body.preheader.split, label %for.body.prol.preheader
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for.body.prol.preheader: ; preds = %for.body.preheader
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br label %for.body.prol
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for.body.prol: ; preds = %for.body.prol, %for.body.prol.preheader
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%i.04.prol = phi i32 [ %inc.prol, %for.body.prol ], [ 0, %for.body.prol.preheader ]
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%prol.iter = phi i32 [ %prol.iter.sub, %for.body.prol ], [ %xtraiter, %for.body.prol.preheader ]
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%tmp1 = load double, double* @b, align 8
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%call.prol = tail call double @pow(double %tmp1, double 2.500000e-01)
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%inc.prol = add nuw nsw i32 %i.04.prol, 1
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%prol.iter.sub = add i32 %prol.iter, -1
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%prol.iter.cmp = icmp eq i32 %prol.iter.sub, 0
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br i1 %prol.iter.cmp, label %for.body.preheader.split.loopexit, label %for.body.prol
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for.body.preheader.split.loopexit: ; preds = %for.body.prol
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%inc.prol.lcssa = phi i32 [ %inc.prol, %for.body.prol ]
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br label %for.body.preheader.split
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for.body.preheader.split: ; preds = %for.body.preheader.split.loopexit, %for.body.preheader
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%i.04.unr = phi i32 [ 0, %for.body.preheader ], [ %inc.prol.lcssa, %for.body.preheader.split.loopexit ]
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%tmp2 = icmp ult i32 %tmp, 7
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br i1 %tmp2, label %for.end.loopexit, label %for.body.preheader.split.split
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for.body.preheader.split.split: ; preds = %for.body.preheader.split
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br label %for.body
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for.body: ; preds = %for.body, %for.body.preheader.split.split
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%i.04 = phi i32 [ %i.04.unr, %for.body.preheader.split.split ], [ %inc.7, %for.body ]
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%tmp3 = load double, double* @b, align 8
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%call = tail call double @pow(double %tmp3, double 2.500000e-01)
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%tmp4 = load double, double* @b, align 8
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%call.1 = tail call double @pow(double %tmp4, double 2.500000e-01)
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%inc.7 = add nsw i32 %i.04, 8
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%exitcond.7 = icmp eq i32 %inc.7, %p1
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br i1 %exitcond.7, label %for.end.loopexit.unr-lcssa, label %for.body
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for.end.loopexit.unr-lcssa: ; preds = %for.body
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br label %for.end.loopexit
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for.end.loopexit: ; preds = %for.end.loopexit.unr-lcssa, %for.body.preheader.split
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br label %for.end
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for.end: ; preds = %for.end.loopexit, %entry
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%tmp5 = load i32, i32* @a, align 4
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ret i32 %tmp5
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}
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; Function Attrs: nounwind
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declare double @pow(double, double)
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