3826224428
Summary:
+ Refactor the runtime check (RTC) build function
+ Added helper function to create an PollyIRBuilder
+ Change the simplify region function to create not
only unique entry and exit edges but also enfore that
the entry edge is unconditional
+ Cleaned the IslCodeGeneration runOnScop function:
- less post-creation changes of the created IR
+ Adjusted and added test cases
Reviewers: grosser, sebpop, simbuerg, dpeixott
Subscribers: llvm-commits, #polly
Differential Revision: http://reviews.llvm.org/D5076
llvm-svn: 217508
45 lines
1.5 KiB
LLVM
45 lines
1.5 KiB
LLVM
; RUN: opt %loadPolly -polly-codegen-isl < %s
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;
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; Regression test for a bug in the runtime check generation.
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; This was extracted from the blas testcase. It crashed in one
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; part of the runtime check generation at some point. To be
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; precise, we couldn't find a suitable block to put the RTC code in.
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;
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; int sscal(int n, float sa, float *sx) {
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; for(int i=0; i<n; i++, sx++)
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; *sx *= sa;
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; return 0;
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; }
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;
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target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128"
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define i32 @sscal(i32 %n, float %sa, float* %sx) {
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entry:
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br label %entry.split
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entry.split: ; preds = %entry
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%cmp1 = icmp sgt i32 %n, 0
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br i1 %cmp1, label %for.body.lr.ph, label %for.end
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for.body.lr.ph: ; preds = %entry.split
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%0 = zext i32 %n to i64
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br label %for.body
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for.body: ; preds = %for.body.lr.ph, %for.body
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%indvar = phi i64 [ 0, %for.body.lr.ph ], [ %indvar.next, %for.body ]
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%sx.addr.02 = getelementptr float* %sx, i64 %indvar
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%tmp = load float* %sx.addr.02, align 4
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%mul = fmul float %tmp, %sa
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store float %mul, float* %sx.addr.02, align 4
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%indvar.next = add i64 %indvar, 1
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%exitcond = icmp ne i64 %indvar.next, %0
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br i1 %exitcond, label %for.body, label %for.cond.for.end_crit_edge
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for.cond.for.end_crit_edge: ; preds = %for.body
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br label %for.end
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for.end: ; preds = %for.cond.for.end_crit_edge, %entry.split
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ret i32 0
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}
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