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[InstCombine] Add reduced test for PR 71330; NFC
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; NOTE: Assertions have been autogenerated by utils/update_test_checks.py UTC_ARGS: --version 3 | ||
; RUN: opt -passes=instcombine -S < %s | FileCheck %s | ||
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define void @pr71330(i32 %conv, i1 %tobool19.not4, i16 %lb) { | ||
; CHECK-LABEL: define void @pr71330( | ||
; CHECK-SAME: i32 [[CONV:%.*]], i1 [[TOBOOL19_NOT4:%.*]], i16 [[LB:%.*]]) { | ||
; CHECK-NEXT: entry: | ||
; CHECK-NEXT: br label [[FOR_COND7_PREHEADER:%.*]] | ||
; CHECK: for.cond7.preheader: | ||
; CHECK-NEXT: br i1 [[TOBOOL19_NOT4]], label [[FOR_COND7_PREHEADER_SPLIT_US:%.*]], label [[FOR_COND7:%.*]] | ||
; CHECK: for.cond7.preheader.split.us: | ||
; CHECK-NEXT: br i1 true, label [[FOR_COND7_PREHEADER_SPLIT_US_SPLIT:%.*]], label [[FOR_COND7_US_US:%.*]] | ||
; CHECK: for.cond7.us.us: | ||
; CHECK-NEXT: br i1 poison, label [[FOR_COND7_US_US]], label [[FOR_END25:%.*]] | ||
; CHECK: for.cond7.preheader.split.us.split: | ||
; CHECK-NEXT: ret void | ||
; CHECK: for.cond7: | ||
; CHECK-NEXT: [[ADD9:%.*]] = add i32 [[CONV]], 3 | ||
; CHECK-NEXT: [[CMP12:%.*]] = icmp slt i32 [[ADD9]], 0 | ||
; CHECK-NEXT: br i1 [[CMP12]], label [[FOR_BODY14:%.*]], label [[FOR_END25]] | ||
; CHECK: for.body14: | ||
; CHECK-NEXT: ret void | ||
; CHECK: for.end25: | ||
; CHECK-NEXT: br i1 false, label [[FOR_COND7_PREHEADER]], label [[FOR_END36:%.*]] | ||
; CHECK: for.end36: | ||
; CHECK-NEXT: ret void | ||
; | ||
entry: | ||
br label %for.cond7.preheader | ||
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for.cond7.preheader: ; preds = %for.end25, %entry | ||
%storemerge33 = phi i32 [ -3, %entry ], [ 0, %for.end25 ] | ||
%sm8 = and i32 %storemerge33, 1 | ||
%add = add i32 %storemerge33, 8 | ||
%cmp.i.i.not = icmp eq i32 %sm8, 0 | ||
%cmp3.i.i = icmp eq i32 %add, 0 | ||
%and7.i.i = and i32 %storemerge33, 1 | ||
%cmp8.i.i = icmp eq i32 %and7.i.i, 0 | ||
%tobool.not.i.i = icmp eq i32 %add, 0 | ||
%..i.i = select i1 %tobool.not.i.i, i32 1, i32 3 | ||
br i1 %tobool19.not4, label %for.cond7.preheader.split.us, label %for.cond7 | ||
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for.cond7.preheader.split.us: ; preds = %for.cond7.preheader | ||
br i1 %cmp.i.i.not, label %for.cond7.us.us, label %for.cond7.preheader.split.us.split | ||
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for.cond7.us.us: ; preds = %for.cond7.us.us, %for.cond7.preheader.split.us | ||
%spec.select = select i1 %cmp8.i.i, i32 1, i32 %..i.i | ||
%retval.0.i.i.us.us = select i1 %cmp3.i.i, i32 0, i32 %spec.select | ||
%add9.us.us = add i32 %retval.0.i.i.us.us, %conv | ||
%conv10.us.us = sext i32 %add9.us.us to i64 | ||
%cmp12.us.us = icmp slt i64 %conv10.us.us, 0 | ||
br i1 %cmp12.us.us, label %for.cond7.us.us, label %for.end25 | ||
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for.cond7.preheader.split.us.split: ; preds = %for.cond7.preheader.split.us | ||
ret void | ||
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for.cond7: ; preds = %for.cond7.preheader | ||
%cmp.i.i.not.not = xor i1 %cmp.i.i.not, true | ||
%brmerge = select i1 %cmp.i.i.not.not, i1 true, i1 %cmp3.i.i | ||
%spec.select34 = select i1 %cmp8.i.i, i32 1, i32 %..i.i | ||
%retval.0.i.i = select i1 %brmerge, i32 0, i32 %spec.select34 | ||
%add9 = add i32 %retval.0.i.i, %conv | ||
%conv10 = sext i32 %add9 to i64 | ||
%cmp12 = icmp slt i64 %conv10, 0 | ||
br i1 %cmp12, label %for.body14, label %for.end25 | ||
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for.body14: ; preds = %for.cond7 | ||
ret void | ||
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for.end25: ; preds = %for.cond7, %for.cond7.us.us | ||
%conv35 = zext i16 %lb to i32 | ||
%cmp = icmp slt i32 %conv35, 0 | ||
br i1 %cmp, label %for.cond7.preheader, label %for.end36 | ||
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for.end36: ; preds = %for.end25 | ||
ret void | ||
} |