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.
31 lines
1.0 KiB
LLVM
31 lines
1.0 KiB
LLVM
; RUN: opt < %s -passes=loop-vectorize -force-vector-interleave=1 -force-vector-width=4 -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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;CHECK-LABEL: @start_at_nonzero(
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;CHECK: mul nuw <4 x i32>
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;CHECK: ret i32
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define i32 @start_at_nonzero(ptr nocapture %a, i32 %start, i32 %end) {
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entry:
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%cmp3 = icmp slt i32 %start, %end
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br i1 %cmp3, label %for.body.lr.ph, label %for.end
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for.body.lr.ph:
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%0 = sext i32 %start to i64
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br label %for.body
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for.body:
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%indvars.iv = phi i64 [ %0, %for.body.lr.ph ], [ %indvars.iv.next, %for.body ]
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%arrayidx = getelementptr inbounds i32, ptr %a, i64 %indvars.iv
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%1 = load i32, ptr %arrayidx, align 4
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%mul = mul nuw i32 %1, 333
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store i32 %mul, ptr %arrayidx, align 4
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%indvars.iv.next = add i64 %indvars.iv, 1
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%2 = trunc i64 %indvars.iv.next to i32
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%cmp = icmp slt i32 %2, %end
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br i1 %cmp, label %for.body, label %for.end
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for.end:
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ret i32 4
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}
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