forked from OSchip/llvm-project
56 lines
2.3 KiB
LLVM
56 lines
2.3 KiB
LLVM
; RUN: opt %loadPolly -polly-stmt-granularity=bb -polly-print-scops -disable-output < %s | FileCheck %s
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; RUN: opt %loadPolly -polly-stmt-granularity=bb -polly-codegen -S < %s | FileCheck %s --check-prefix=CODEGEN
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;
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; Check for correct code generation of exit PHIs, even if the same PHI value
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; is used again inside the the SCoP.
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; Note that if.else113 is removed from the SCoP because it is never executed.
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;
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; CHECK: Region: %for.body
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;
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; CHECK: Arrays {
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; CHECK-NEXT: double MemRef_up_3_ph; // Element size 8
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; CHECK-NEXT: i32* MemRef_A[*]; // Element size 8
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; CHECK-NEXT: double MemRef_up_3_ph; // Element size 8
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; CHECK-NEXT: }
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;
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; CODEGEN: polly.merge_new_and_old:
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; CODEGEN-NEXT: %up.3.ph.ph.merge = phi double [ %up.3.ph.ph.final_reload, %polly.exiting ], [ undef, %for.cond.outer304.region_exiting ]
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;
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; CODEGEN: for.cond.outer304:
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; CODEGEN-NEXT: %indvar = phi i64 [ %indvar.next, %polly.merge_new_and_old ], [ 0, %entry ]
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; CODEGEN-NEXT: %up.3.ph = phi double [ 0.000000e+00, %entry ], [ %up.3.ph.ph.merge, %polly.merge_new_and_old ]
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;
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; CODEGEN: polly.stmt.if.then111:
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; CODEGEN-NEXT: store double undef, double* %up.3.ph.s2a
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;
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; CODEGEN: polly.exiting:
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; CODEGEN-NEXT: %up.3.ph.ph.final_reload = load double, double* %up.3.ph.s2a
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;
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; ModuleID = 'bugpoint-reduced-simplified.bc'
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target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128"
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; Function Attrs: uwtable
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define void @_ZN6soplex14SPxAggregateSM9eliminateERKNS_7SVectorEd(i32** nocapture readonly %A) {
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entry:
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br label %for.cond.outer304
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for.cond.outer304: ; preds = %if.else113, %if.then111, %entry
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%up.3.ph = phi double [ 0.000000e+00, %entry ], [ undef, %if.else113 ], [ undef, %if.then111 ]
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br i1 undef, label %for.body, label %for.end
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for.body: ; preds = %for.cond.outer304
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%0 = load i32*, i32** %A, align 8
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%add = fadd double %up.3.ph, undef
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%val.i.i.i235 = getelementptr inbounds i32, i32* %0, i64 0
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br i1 false, label %if.else113, label %if.then111
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if.then111: ; preds = %for.body
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br label %for.cond.outer304
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if.else113: ; preds = %for.body
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br label %for.cond.outer304
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for.end: ; preds = %for.cond.outer304
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ret void
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}
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