forked from OSchip/llvm-project
31 lines
972 B
LLVM
31 lines
972 B
LLVM
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; RUN: opt -licm -mtriple aarch64-linux-gnu -mattr=+sve -S < %s | FileCheck %s
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define void @no_hoist_load1_nxv2i64(<vscale x 2 x i64>* %out, i8* %in8, i32 %n) {
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; CHECK-LABEL: @no_hoist_load1_nxv2i64(
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; CHECK: entry:
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; CHECK-NOT: load
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; CHECK: for.body:
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; CHECK: load
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entry:
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%cmp0 = icmp ugt i32 %n, 0
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%invst = call {}* @llvm.invariant.start.p0i8(i64 16, i8* %in8)
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%in = bitcast i8* %in8 to <vscale x 2 x i64>*
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br i1 %cmp0, label %for.body, label %for.end
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for.body:
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%i = phi i32 [0, %entry], [%inc, %for.body]
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%i2 = zext i32 %i to i64
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%ptr = getelementptr <vscale x 2 x i64>, <vscale x 2 x i64>* %out, i64 %i2
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%val = load <vscale x 2 x i64>, <vscale x 2 x i64>* %in, align 16
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store <vscale x 2 x i64> %val, <vscale x 2 x i64>* %ptr, align 16
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%inc = add nuw nsw i32 %i, 1
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%cmp = icmp ult i32 %inc, %n
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br i1 %cmp, label %for.body, label %for.end
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for.end:
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ret void
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}
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declare {}* @llvm.invariant.start.p0i8(i64, i8* nocapture) nounwind readonly
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