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llvm-project/llvm/test/Transforms/ConstraintElimination/large-constant-ints.ll

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LLVM
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; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
; RUN: opt -passes=constraint-elimination -S %s | FileCheck %s
declare void @use(i1)
define void @test_unsigned_too_large(i128 %x) {
; CHECK-LABEL: @test_unsigned_too_large(
; CHECK-NEXT: entry:
; CHECK-NEXT: [[C_1:%.*]] = icmp ule i128 [[X:%.*]], 12345678901234123123123
; CHECK-NEXT: br i1 [[C_1]], label [[BB1:%.*]], label [[BB2:%.*]]
; CHECK: bb1:
; CHECK-NEXT: [[C_2:%.*]] = icmp ult i128 [[X]], -12345678901234123123123
; CHECK-NEXT: call void @use(i1 [[C_2]])
; CHECK-NEXT: [[C_3:%.*]] = icmp uge i128 [[X]], -12345678901234123123123
; CHECK-NEXT: call void @use(i1 [[C_3]])
; CHECK-NEXT: [[C_4:%.*]] = icmp uge i128 [[X]], -12345678901234123123123
; CHECK-NEXT: call void @use(i1 [[C_4]])
; CHECK-NEXT: ret void
; CHECK: bb2:
; CHECK-NEXT: ret void
;
entry:
%c.1 = icmp ule i128 %x, 12345678901234123123123
br i1 %c.1, label %bb1, label %bb2
bb1:
%c.2 = icmp ult i128 %x, -12345678901234123123123
call void @use(i1 %c.2)
%c.3 = icmp uge i128 %x, -12345678901234123123123
call void @use(i1 %c.3)
%c.4 = icmp uge i128 %x, -12345678901234123123123
call void @use(i1 %c.4)
ret void
bb2:
ret void
}
define void @test_signed_too_large(i128 %x) {
; CHECK-LABEL: @test_signed_too_large(
; CHECK-NEXT: entry:
; CHECK-NEXT: [[C_1:%.*]] = icmp sle i128 [[X:%.*]], 12345678901234123123123
; CHECK-NEXT: br i1 [[C_1]], label [[BB1:%.*]], label [[BB2:%.*]]
; CHECK: bb1:
; CHECK-NEXT: [[C_2:%.*]] = icmp slt i128 [[X]], -12345678901234123123123
; CHECK-NEXT: call void @use(i1 [[C_2]])
; CHECK-NEXT: [[C_3:%.*]] = icmp sge i128 [[X]], -12345678901234123123123
; CHECK-NEXT: call void @use(i1 [[C_3]])
; CHECK-NEXT: [[C_4:%.*]] = icmp sge i128 [[X]], -12345678901234123123123
; CHECK-NEXT: call void @use(i1 [[C_4]])
; CHECK-NEXT: ret void
; CHECK: bb2:
; CHECK-NEXT: ret void
;
entry:
%c.1 = icmp sle i128 %x, 12345678901234123123123
br i1 %c.1, label %bb1, label %bb2
bb1:
%c.2 = icmp slt i128 %x, -12345678901234123123123
call void @use(i1 %c.2)
%c.3 = icmp sge i128 %x, -12345678901234123123123
call void @use(i1 %c.3)
%c.4 = icmp sge i128 %x, -12345678901234123123123
call void @use(i1 %c.4)
ret void
bb2:
ret void
}
define i1 @add_decomp_i80(i80 %a) {
; CHECK-LABEL: @add_decomp_i80(
; CHECK-NEXT: entry:
; CHECK-NEXT: [[ADD:%.*]] = add nsw i80 [[A:%.*]], -1973801615886922022913
; CHECK-NEXT: [[C:%.*]] = icmp ult i80 [[ADD]], 1346612317380797267967
; CHECK-NEXT: br i1 [[C]], label [[THEN:%.*]], label [[ELSE:%.*]]
; CHECK: then:
; CHECK-NEXT: [[ADD_1:%.*]] = add nsw i80 [[A]], -1973801615886922022913
; CHECK-NEXT: [[C_1:%.*]] = icmp ult i80 [[ADD_1]], 1346612317380797267967
; CHECK-NEXT: ret i1 [[C_1]]
; CHECK: else:
; CHECK-NEXT: ret i1 false
;
entry:
%add = add nsw i80 %a, -1973801615886922022913
%c = icmp ult i80 %add, 1346612317380797267967
br i1 %c, label %then, label %else
then:
%add.1 = add nsw i80 %a, -1973801615886922022913
%c.1 = icmp ult i80 %add.1, 1346612317380797267967
ret i1 %c.1
else:
ret i1 false
}
define i1 @sub_decomp_i80(i80 %a) {
; CHECK-LABEL: @sub_decomp_i80(
; CHECK-NEXT: entry:
; CHECK-NEXT: [[SUB:%.*]] = sub nuw i80 [[A:%.*]], 1973801615886922022913
; CHECK-NEXT: [[C:%.*]] = icmp ult i80 [[SUB]], 1346612317380797267967
; CHECK-NEXT: br i1 [[C]], label [[THEN:%.*]], label [[ELSE:%.*]]
; CHECK: then:
; CHECK-NEXT: [[SUB_1:%.*]] = sub nuw i80 [[A]], 1973801615886922022913
; CHECK-NEXT: [[C_1:%.*]] = icmp ult i80 [[SUB_1]], 1346612317380797267967
; CHECK-NEXT: ret i1 [[C_1]]
; CHECK: else:
; CHECK-NEXT: ret i1 false
;
entry:
%sub = sub nuw i80 %a, 1973801615886922022913
%c = icmp ult i80 %sub, 1346612317380797267967
br i1 %c, label %then, label %else
then:
%sub.1 = sub nuw i80 %a, 1973801615886922022913
%c.1 = icmp ult i80 %sub.1, 1346612317380797267967
ret i1 %c.1
else:
ret i1 false
}
define i1 @gep_decomp_i80(i8* %a) {
; CHECK-LABEL: @gep_decomp_i80(
; CHECK-NEXT: entry:
; CHECK-NEXT: [[GEP:%.*]] = getelementptr inbounds i8, i8* [[A:%.*]], i80 1973801615886922022913
; CHECK-NEXT: [[C:%.*]] = icmp eq i8* [[GEP]], null
; CHECK-NEXT: br i1 [[C]], label [[THEN:%.*]], label [[ELSE:%.*]]
; CHECK: then:
; CHECK-NEXT: [[GEP_1:%.*]] = getelementptr inbounds i8, i8* [[A]], i80 1973801615886922022913
; CHECK-NEXT: [[C_1:%.*]] = icmp eq i8* [[GEP_1]], null
; CHECK-NEXT: ret i1 [[C_1]]
; CHECK: else:
; CHECK-NEXT: ret i1 false
;
entry:
%gep = getelementptr inbounds i8, i8* %a, i80 1973801615886922022913
%c = icmp eq i8* %gep, null
br i1 %c, label %then, label %else
then:
%gep.1 = getelementptr inbounds i8, i8* %a, i80 1973801615886922022913
%c.1 = icmp eq i8* %gep.1, null
ret i1 %c.1
else:
ret i1 false
}
define i1 @gep_zext_shl_decomp_i80(i8* %a, i80 %v) {
; CHECK-LABEL: @gep_zext_shl_decomp_i80(
; CHECK-NEXT: entry:
; CHECK-NEXT: [[SHL:%.*]] = shl nuw i80 [[V:%.*]], 1973801615886922022913
; CHECK-NEXT: [[EXT:%.*]] = zext i80 [[SHL]] to i128
; CHECK-NEXT: [[GEP:%.*]] = getelementptr inbounds i8, i8* [[A:%.*]], i128 [[EXT]]
; CHECK-NEXT: [[C:%.*]] = icmp eq i8* [[GEP]], null
; CHECK-NEXT: br i1 [[C]], label [[THEN:%.*]], label [[ELSE:%.*]]
; CHECK: then:
; CHECK-NEXT: [[SHL_1:%.*]] = shl nuw i80 [[V]], 1973801615886922022913
; CHECK-NEXT: [[EXT_1:%.*]] = zext i80 [[SHL_1]] to i128
; CHECK-NEXT: [[GEP_1:%.*]] = getelementptr inbounds i8, i8* [[A]], i128 [[EXT_1]]
; CHECK-NEXT: [[C_1:%.*]] = icmp eq i8* [[GEP_1]], null
; CHECK-NEXT: ret i1 [[C_1]]
; CHECK: else:
; CHECK-NEXT: ret i1 false
;
entry:
%shl = shl nuw i80 %v, 1973801615886922022913
%ext = zext i80 %shl to i128
%gep = getelementptr inbounds i8, i8* %a, i128 %ext
%c = icmp eq i8* %gep, null
br i1 %c, label %then, label %else
then:
%shl.1 = shl nuw i80 %v, 1973801615886922022913
%ext.1 = zext i80 %shl.1 to i128
%gep.1 = getelementptr inbounds i8, i8* %a, i128 %ext.1
%c.1 = icmp eq i8* %gep.1, null
ret i1 %c.1
else:
ret i1 false
}
define i1 @gep_zext_add_decomp_i80(i8* %a, i80 %v) {
; CHECK-LABEL: @gep_zext_add_decomp_i80(
; CHECK-NEXT: entry:
; CHECK-NEXT: [[ADD:%.*]] = add nsw i80 [[V:%.*]], 1973801615886922022913
; CHECK-NEXT: [[EXT:%.*]] = zext i80 [[ADD]] to i128
; CHECK-NEXT: [[GEP:%.*]] = getelementptr inbounds i8, i8* [[A:%.*]], i128 [[EXT]]
; CHECK-NEXT: [[C:%.*]] = icmp eq i8* [[GEP]], null
; CHECK-NEXT: br i1 [[C]], label [[THEN:%.*]], label [[ELSE:%.*]]
; CHECK: then:
; CHECK-NEXT: [[ADD_1:%.*]] = add nsw i80 [[V]], 1973801615886922022913
; CHECK-NEXT: [[EXT_1:%.*]] = zext i80 [[ADD_1]] to i128
; CHECK-NEXT: [[GEP_1:%.*]] = getelementptr inbounds i8, i8* [[A]], i128 [[EXT_1]]
; CHECK-NEXT: [[C_1:%.*]] = icmp eq i8* [[GEP_1]], null
; CHECK-NEXT: ret i1 [[C_1]]
; CHECK: else:
; CHECK-NEXT: ret i1 false
;
entry:
%add = add nsw i80 %v, 1973801615886922022913
%ext = zext i80 %add to i128
%gep = getelementptr inbounds i8, i8* %a, i128 %ext
%c = icmp eq i8* %gep, null
br i1 %c, label %then, label %else
then:
%add.1 = add nsw i80 %v, 1973801615886922022913
%ext.1 = zext i80 %add.1 to i128
%gep.1 = getelementptr inbounds i8, i8* %a, i128 %ext.1
%c.1 = icmp eq i8* %gep.1, null
ret i1 %c.1
else:
ret i1 false
}
define i1 @gep_shl_decomp_i80(i8* %a, i80 %v) {
; CHECK-LABEL: @gep_shl_decomp_i80(
; CHECK-NEXT: entry:
; CHECK-NEXT: [[SHL:%.*]] = shl nuw i80 [[V:%.*]], 1973801615886922022913
; CHECK-NEXT: [[GEP:%.*]] = getelementptr inbounds i8, i8* [[A:%.*]], i80 [[SHL]]
; CHECK-NEXT: [[C:%.*]] = icmp eq i8* [[GEP]], null
; CHECK-NEXT: br i1 [[C]], label [[THEN:%.*]], label [[ELSE:%.*]]
; CHECK: then:
; CHECK-NEXT: [[SHL_1:%.*]] = shl nuw i80 [[V]], 1973801615886922022913
; CHECK-NEXT: [[GEP_1:%.*]] = getelementptr inbounds i8, i8* [[A]], i80 [[SHL_1]]
; CHECK-NEXT: [[C_1:%.*]] = icmp eq i8* [[GEP_1]], null
; CHECK-NEXT: ret i1 [[C_1]]
; CHECK: else:
; CHECK-NEXT: ret i1 false
;
entry:
%shl = shl nuw i80 %v, 1973801615886922022913
%gep = getelementptr inbounds i8, i8* %a, i80 %shl
%c = icmp eq i8* %gep, null
br i1 %c, label %then, label %else
then:
%shl.1 = shl nuw i80 %v, 1973801615886922022913
%gep.1 = getelementptr inbounds i8, i8* %a, i80 %shl.1
%c.1 = icmp eq i8* %gep.1, null
ret i1 %c.1
else:
ret i1 false
}
define i1 @gep_add_decomp_i80(i8* %a, i80 %v) {
; CHECK-LABEL: @gep_add_decomp_i80(
; CHECK-NEXT: entry:
; CHECK-NEXT: [[ADD:%.*]] = add nsw i80 [[V:%.*]], 1973801615886922022913
; CHECK-NEXT: [[GEP:%.*]] = getelementptr inbounds i8, i8* [[A:%.*]], i80 [[ADD]]
; CHECK-NEXT: [[C:%.*]] = icmp eq i8* [[GEP]], null
; CHECK-NEXT: br i1 [[C]], label [[THEN:%.*]], label [[ELSE:%.*]]
; CHECK: then:
; CHECK-NEXT: [[ADD_1:%.*]] = add nsw i80 [[V]], 1973801615886922022913
; CHECK-NEXT: [[GEP_1:%.*]] = getelementptr inbounds i8, i8* [[A]], i80 [[ADD_1]]
; CHECK-NEXT: [[C_1:%.*]] = icmp eq i8* [[GEP_1]], null
; CHECK-NEXT: ret i1 [[C_1]]
; CHECK: else:
; CHECK-NEXT: ret i1 false
;
entry:
%add = add nsw i80 %v, 1973801615886922022913
%gep = getelementptr inbounds i8, i8* %a, i80 %add
%c = icmp eq i8* %gep, null
br i1 %c, label %then, label %else
then:
%add.1 = add nsw i80 %v, 1973801615886922022913
%gep.1 = getelementptr inbounds i8, i8* %a, i80 %add.1
%c.1 = icmp eq i8* %gep.1, null
ret i1 %c.1
else:
ret i1 false
}
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