/
large-system-growth.ll
86 lines (75 loc) · 3.03 KB
/
large-system-growth.ll
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; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
; RUN: opt -constraint-elimination -S %s | FileCheck %s
; The system for the function below grows quite large. Check to make sure
; we can handle that scenario.
define void @test(i64 %x, i8* %y, i8* %z, i8* %w) {
; CHECK-LABEL: @test(
; CHECK-NEXT: [[TMP22:%.*]] = getelementptr inbounds i8, i8* [[Y:%.*]], i64 [[X:%.*]]
; CHECK-NEXT: [[TMP26:%.*]] = icmp ult i8* [[TMP22]], [[Z:%.*]]
; CHECK-NEXT: br i1 [[TMP26]], label [[BB28:%.*]], label [[EARLY_EXIT:%.*]]
; CHECK: early.exit:
; CHECK-NEXT: unreachable
; CHECK: bb28:
; CHECK-NEXT: [[TMP29:%.*]] = getelementptr inbounds i8, i8* [[Y]], i64 [[X]]
; CHECK-NEXT: [[TMP30:%.*]] = icmp ult i8* [[TMP29]], [[Z]]
; CHECK-NEXT: br i1 true, label [[EARLY_EXIT]], label [[BB32:%.*]]
; CHECK: bb32:
; CHECK-NEXT: [[TMP33:%.*]] = icmp ult i8* [[TMP29]], [[Z]]
; CHECK-NEXT: br i1 true, label [[BB35:%.*]], label [[EARLY_EXIT]]
; CHECK: bb35:
; CHECK-NEXT: [[TMP36:%.*]] = icmp ult i8* [[Y]], [[Z]]
; CHECK-NEXT: br i1 true, label [[EARLY_EXIT]], label [[BB38:%.*]]
; CHECK: bb38:
; CHECK-NEXT: [[TMP41:%.*]] = icmp ult i8* [[Y]], [[Z]]
; CHECK-NEXT: br i1 true, label [[EARLY_EXIT]], label [[BB43:%.*]]
; CHECK: bb43:
; CHECK-NEXT: [[TMP47:%.*]] = getelementptr inbounds i8, i8* [[W:%.*]], i64 [[X]]
; CHECK-NEXT: [[TMP48:%.*]] = icmp ult i8* [[TMP47]], [[Y]]
; CHECK-NEXT: br i1 [[TMP48]], label [[EARLY_EXIT]], label [[BB50:%.*]]
; CHECK: bb50:
; CHECK-NEXT: [[TMP52:%.*]] = getelementptr inbounds i8, i8* [[W]], i64 [[X]]
; CHECK-NEXT: [[TMP53:%.*]] = icmp ult i8* [[TMP52]], [[Y]]
; CHECK-NEXT: br i1 true, label [[EARLY_EXIT]], label [[BB55:%.*]]
; CHECK: bb55:
; CHECK-NEXT: [[TMP57:%.*]] = icmp ult i8* [[W]], [[Y]]
; CHECK-NEXT: br i1 true, label [[BB59:%.*]], label [[EARLY_EXIT]]
; CHECK: bb59:
; CHECK-NEXT: [[TMP60:%.*]] = icmp ult i8* [[W]], [[Y]]
; CHECK-NEXT: call void @use(i1 true)
; CHECK-NEXT: ret void
;
%tmp22 = getelementptr inbounds i8, i8* %y, i64 %x
%tmp26 = icmp ult i8* %tmp22, %z
br i1 %tmp26, label %bb28, label %early.exit
early.exit:
unreachable
bb28:
%tmp29 = getelementptr inbounds i8, i8* %y, i64 %x
%tmp30 = icmp ult i8* %tmp29, %z
br i1 %tmp30, label %early.exit, label %bb32
bb32:
%tmp33 = icmp ult i8* %tmp29, %z
br i1 %tmp33, label %bb35, label %early.exit
bb35:
%tmp36 = icmp ult i8* %y, %z
br i1 %tmp36, label %early.exit, label %bb38
bb38:
%tmp41 = icmp ult i8* %y, %z
br i1 %tmp41, label %early.exit, label %bb43
bb43:
%tmp47 = getelementptr inbounds i8, i8* %w, i64 %x
%tmp48 = icmp ult i8* %tmp47, %y
br i1 %tmp48, label %early.exit, label %bb50
bb50:
%tmp52 = getelementptr inbounds i8, i8* %w, i64 %x
%tmp53 = icmp ult i8* %tmp52, %y
br i1 %tmp53, label %early.exit, label %bb55
bb55:
%tmp57 = icmp ult i8* %w, %y
br i1 %tmp57, label %bb59, label %early.exit
bb59:
%tmp60 = icmp ult i8* %w, %y
call void @use(i1 %tmp60)
ret void
}
declare void @use(i1)