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4d12fd47a1
Adjust tests to avoid the X / X -> 1 & X % X -> 0 folds while keeping their original purposes. Differential Revision: https://reviews.llvm.org/D50636 llvm-svn: 340916
32 lines
1.2 KiB
LLVM
32 lines
1.2 KiB
LLVM
; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
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; RUN: llc %s -o - -mtriple=s390x-linux-gnu | FileCheck %s
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define void @pr32372(i8*) {
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; CHECK-LABEL: pr32372:
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; CHECK: # %bb.0: # %BB
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; CHECK-NEXT: mvhhi 0(%r1), -3825
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; CHECK-NEXT: .LBB0_1: # %CF251
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; CHECK-NEXT: # =>This Inner Loop Header: Depth=1
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; CHECK-NEXT: j .LBB0_1
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BB:
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%L = load i8, i8* %0
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store i16 -3825, i16* undef
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%L5 = load i8, i8* %0
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%B8 = call { i8, i1 } @llvm.umul.with.overflow.i8(i8 %L5, i8 %L)
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%B9 = extractvalue {i8, i1} %B8, 0
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%I107 = insertelement <8 x i8> zeroinitializer, i8 %B9, i32 7
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%ZE141 = zext i8 %L5 to i16
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br label %CF251
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CF251: ; preds = %CF258, %CF251, %BB
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%Shuff217 = shufflevector <8 x i8> zeroinitializer, <8 x i8> %I107, <8 x i32> <i32 0, i32 2, i32 undef, i32 6, i32 8, i32 undef, i32 12, i32 14>
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%Cmp227 = icmp sge i16 %ZE141, 0
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br i1 %Cmp227, label %CF251, label %CF258
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CF258: ; preds = %CF251
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%Shuff230 = shufflevector <2 x i16> undef, <2 x i16> undef, <2 x i32> <i32 3, i32 1>
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br label %CF251
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}
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declare {i8, i1} @llvm.umul.with.overflow.i8(i8, i8) nounwind readnone
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