derek.holloway
7502bf64a4
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40 lines
1.2 KiB
LLVM
40 lines
1.2 KiB
LLVM
; RUN: opt %loadNPMPolly '-passes=polly-custom<import-jscop;codegen>' -polly-invariant-load-hoisting -S 2>&1 < %s | FileCheck %s
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; Setting new access functions where the base pointer of the array that is newly
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; accessed is only loaded within the scop itself caused incorrect code to be
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; generated when invariant load hoisting is disabled. This test case checks
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; that in case invariant load hoisting is enabled, we generate correct code.
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; CHECK: %polly.access.polly.access.X.load = getelementptr float, ptr %polly.access.X.load, i64 %polly.indvar
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define void @invariant_base_ptr(ptr noalias %Array, ptr noalias %X,
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ptr noalias %C) {
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start:
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br label %loop
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loop:
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%indvar = phi i64 [0, %start], [%indvar.next, %latch]
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%indvar.next = add i64 %indvar, 1
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%cmp = icmp slt i64 %indvar, 1024
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br i1 %cmp, label %body, label %exit
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body:
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%gep= getelementptr float, ptr %Array, i64 %indvar
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store float 42.0, ptr %gep
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br label %body2
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body2:
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%Base = load ptr, ptr %X
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%gep2 = getelementptr float, ptr %Base, i64 %indvar
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%val2 = load float, ptr %gep2
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store float %val2, ptr %C
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br label %latch
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latch:
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br label %loop
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exit:
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ret void
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}
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