a99dd8344e
Many tests were running extra passes after loop-vectorize, but they made no difference to the outcome. If tests don't require these extra passes, then we shouldn't run them because it increases the testing time.
49 lines
1.8 KiB
LLVM
49 lines
1.8 KiB
LLVM
; RUN: opt -S -passes=loop-vectorize -force-vector-width=4 -force-vector-interleave=1 < %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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; PR16073
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; Because we were caching value pointers across a function call that could RAUW
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; we would generate an poison value store below:
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; SCEVExpander::expandCodeFor would change a value (the start value of an
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; induction) that we cached in the induction variable list.
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; CHECK-LABEL: @test_vh(
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; CHECK-NOT: store <4 x i8> poison
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define void @test_vh(ptr %ptr265, ptr %ptr266, i32 %sub267) {
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entry:
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br label %loop
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loop:
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%inc = phi i32 [ %sub267, %entry ], [ %add, %loop]
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%ext.inc = sext i32 %inc to i64
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%add.ptr265 = getelementptr inbounds i32, ptr %ptr265, i64 %ext.inc
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%add.ptr266 = getelementptr inbounds i32, ptr %ptr266, i64 %ext.inc
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%add = add i32 %inc, 9
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%cmp = icmp slt i32 %add, 140
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br i1 %cmp, label %block1, label %loop
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block1:
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%sub267.lcssa = phi i32 [ %add, %loop ]
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%add.ptr266.lcssa = phi ptr [ %add.ptr266, %loop ]
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%add.ptr265.lcssa = phi ptr [ %add.ptr265, %loop ]
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br label %do.body272
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do.body272:
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%row_width.5 = phi i32 [ %sub267.lcssa, %block1 ], [ %dec, %do.body272 ]
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%sp.4 = phi ptr [ %add.ptr266.lcssa, %block1 ], [ %incdec.ptr273, %do.body272 ]
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%dp.addr.4 = phi ptr [ %add.ptr265.lcssa, %block1 ], [ %incdec.ptr274, %do.body272 ]
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%incdec.ptr273 = getelementptr inbounds i8, ptr %sp.4, i64 1
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%tmp31 = load i8, ptr %sp.4, align 1
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%incdec.ptr274 = getelementptr inbounds i8, ptr %dp.addr.4, i64 1
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store i8 %tmp31, ptr %dp.addr.4, align 1
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%dec = add i32 %row_width.5, -1
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%cmp276 = icmp eq i32 %dec, 0
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br i1 %cmp276, label %loop.exit, label %do.body272
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loop.exit:
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ret void
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}
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