From 1f88048f2d62d982885efa938f43a643ac4565a5 Mon Sep 17 00:00:00 2001 From: Nikita Popov Date: Thu, 26 Jan 2023 15:06:19 +0100 Subject: [PATCH] [CVP] Add test for !range being ignored on supported intrinsic (NFC) --- llvm/test/Transforms/CorrelatedValuePropagation/range.ll | 14 ++++++++++++++ 1 file changed, 14 insertions(+) diff --git a/llvm/test/Transforms/CorrelatedValuePropagation/range.ll b/llvm/test/Transforms/CorrelatedValuePropagation/range.ll index 435a096..458ecae 100644 --- a/llvm/test/Transforms/CorrelatedValuePropagation/range.ll +++ b/llvm/test/Transforms/CorrelatedValuePropagation/range.ll @@ -946,5 +946,19 @@ define i1 @intrinsic_range(i16 %x) { ret i1 %res } +define i1 @supported_intrinsic_range(i16 %x) { +; CHECK-LABEL: @supported_intrinsic_range( +; CHECK-NEXT: [[ABS:%.*]] = call i16 @llvm.abs.i16(i16 [[X:%.*]], i1 false), !range [[RNG5]] +; CHECK-NEXT: [[TRUNC:%.*]] = trunc i16 [[ABS]] to i8 +; CHECK-NEXT: [[RES:%.*]] = icmp ult i8 [[TRUNC]], 8 +; CHECK-NEXT: ret i1 [[RES]] +; + %abs = call i16 @llvm.abs.i16(i16 %x, i1 false), !range !{i16 0, i16 8} + %trunc = trunc i16 %abs to i8 + %res = icmp ult i8 %trunc, 8 + ret i1 %res +} + declare i16 @llvm.ctlz.i16(i16, i1) +declare i16 @llvm.abs.i16(i16, i1) declare void @llvm.assume(i1) -- 2.7.4