forked from OSchip/llvm-project
37 lines
1.2 KiB
LLVM
37 lines
1.2 KiB
LLVM
; RUN: opt %loadPolly -polly-detect-unprofitable -basicaa -polly-independent -S < %s | FileCheck %s
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; RUN: opt %loadPolly -polly-detect-unprofitable -basicaa -polly-independent -S < %s | FileCheck %s
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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 @phi_nodes_outside() {
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entry:
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br label %for.i.1
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for.i.1:
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%i.1 = phi i32 [ %i.1.next, %for.i.1 ], [ 0, %entry ]
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%i.1.next = add nsw i32 %i.1, 1
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br i1 false, label %for.i.1 , label %for.i.2.preheader
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for.i.2.preheader:
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br label %for.i.2
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for.i.2:
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; The value of %i.1.next is used outside of the scop in a PHI node.
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%i.2 = phi i32 [ %i.2.next , %for.i.2 ], [ %i.1.next, %for.i.2.preheader ]
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%i.2.next = add nsw i32 %i.2, 1
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fence seq_cst
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br i1 false, label %for.i.2, label %cleanup
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cleanup:
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ret void
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}
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; CHECK: store i32 %i.1.next, i32* %i.1.next.s2a
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; CHECK: for.i.2.preheader:
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; CHECK: %i.1.next.loadoutside = load i32* %i.1.next.s2a
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; CHECK: for.i.2:
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; CHECK: %i.2 = phi i32 [ %i.2.next, %for.i.2 ], [ %i.1.next.loadoutside, %for.i.2.preheader ]
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