forked from OSchip/llvm-project
32 lines
889 B
LLVM
32 lines
889 B
LLVM
; RUN: opt %loadPolly -polly-scops -analyze -S < %s | FileCheck %s
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;
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; int n, m;
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; void foo(char* __restrict a)
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; {
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; for (int i = 0; i < n*m; ++i)
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; a[i]=2;
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; }
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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-v64:64:64-v128:128:128-a0:0:64-s0:64:64-f80:128:128-n8:16:32:64-S128"
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target triple = "x86_64-unknown-linux-gnu"
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define void @foo(i8* noalias %a, i32 %param_n, i32 %param_m) {
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entry:
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%mul = mul nsw i32 %param_m, %param_n
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%cmp1 = icmp sgt i32 %mul, 0
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br i1 %cmp1, label %for.body, label %for.end
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for.body:
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%i.02 = phi i32 [ %add, %for.body ], [ 0, %entry ]
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%arrayidx = getelementptr inbounds i8* %a, i64 0
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store i8 2, i8* %arrayidx, align 1
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%add = add nsw i32 %i.02, 1
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%cmp = icmp slt i32 %add, %mul
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br i1 %cmp, label %for.body, label %for.end
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for.end:
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ret void
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}
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; CHECK: p0: (%param_n * %param_m)
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