219 lines
5.5 KiB
LLVM
219 lines
5.5 KiB
LLVM
; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
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; RUN: opt < %s -passes=instcombine -S | FileCheck %s
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declare i4 @llvm.abs.i4(i4, i1)
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define i1 @icmp_sge_abs(i4 %arg) {
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; CHECK-LABEL: @icmp_sge_abs(
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; CHECK-NEXT: ret i1 true
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;
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%abs = call i4 @llvm.abs.i4(i4 %arg, i1 true)
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%cmp = icmp sge i4 %abs, %arg
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ret i1 %cmp
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}
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define i1 @icmp_sge_abs_false(i4 %arg) {
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; CHECK-LABEL: @icmp_sge_abs_false(
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; CHECK-NEXT: ret i1 true
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;
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%abs = call i4 @llvm.abs.i4(i4 %arg, i1 false)
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%cmp = icmp sge i4 %abs, %arg
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ret i1 %cmp
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}
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define i1 @icmp_eq_abs(i4 %arg) {
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; CHECK-LABEL: @icmp_eq_abs(
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; CHECK-NEXT: [[CMP:%.*]] = icmp sgt i4 [[ARG:%.*]], -1
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; CHECK-NEXT: ret i1 [[CMP]]
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;
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%abs = call i4 @llvm.abs.i4(i4 %arg, i1 true)
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%cmp = icmp eq i4 %abs, %arg
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ret i1 %cmp
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}
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define i1 @icmp_eq_abs_false(i4 %arg) {
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; CHECK-LABEL: @icmp_eq_abs_false(
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; CHECK-NEXT: [[CMP:%.*]] = icmp ult i4 [[ARG:%.*]], -7
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; CHECK-NEXT: ret i1 [[CMP]]
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;
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%abs = call i4 @llvm.abs.i4(i4 %arg, i1 false)
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%cmp = icmp eq i4 %abs, %arg
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ret i1 %cmp
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}
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define i1 @icmp_ne_abs(i4 %arg) {
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; CHECK-LABEL: @icmp_ne_abs(
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; CHECK-NEXT: [[CMP:%.*]] = icmp slt i4 [[ARG:%.*]], 0
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; CHECK-NEXT: ret i1 [[CMP]]
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;
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%abs = call i4 @llvm.abs.i4(i4 %arg, i1 true)
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%cmp = icmp ne i4 %abs, %arg
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ret i1 %cmp
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}
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define i1 @icmp_ne_abs_false(i4 %arg) {
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; CHECK-LABEL: @icmp_ne_abs_false(
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; CHECK-NEXT: [[CMP:%.*]] = icmp ugt i4 [[ARG:%.*]], -8
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; CHECK-NEXT: ret i1 [[CMP]]
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;
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%abs = call i4 @llvm.abs.i4(i4 %arg, i1 false)
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%cmp = icmp ne i4 %abs, %arg
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ret i1 %cmp
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}
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define i1 @icmp_sle_abs(i4 %arg) {
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; CHECK-LABEL: @icmp_sle_abs(
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; CHECK-NEXT: [[CMP:%.*]] = icmp sgt i4 [[ARG:%.*]], -1
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; CHECK-NEXT: ret i1 [[CMP]]
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;
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%abs = call i4 @llvm.abs.i4(i4 %arg, i1 true)
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%cmp = icmp sle i4 %abs, %arg
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ret i1 %cmp
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}
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define i1 @icmp_sle_abs_false(i4 %arg) {
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; CHECK-LABEL: @icmp_sle_abs_false(
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; CHECK-NEXT: [[CMP:%.*]] = icmp ult i4 [[ARG:%.*]], -7
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; CHECK-NEXT: ret i1 [[CMP]]
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;
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%abs = call i4 @llvm.abs.i4(i4 %arg, i1 false)
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%cmp = icmp sle i4 %abs, %arg
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ret i1 %cmp
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}
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define i1 @icmp_slt_abs(i4 %arg) {
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; CHECK-LABEL: @icmp_slt_abs(
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; CHECK-NEXT: ret i1 false
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;
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%abs = call i4 @llvm.abs.i4(i4 %arg, i1 true)
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%cmp = icmp slt i4 %abs, %arg
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ret i1 %cmp
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}
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define i1 @icmp_slt_abs_false(i4 %arg) {
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; CHECK-LABEL: @icmp_slt_abs_false(
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; CHECK-NEXT: ret i1 false
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;
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%abs = call i4 @llvm.abs.i4(i4 %arg, i1 false)
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%cmp = icmp slt i4 %abs, %arg
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ret i1 %cmp
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}
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define i1 @icmp_sgt_abs(i4 %arg) {
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; CHECK-LABEL: @icmp_sgt_abs(
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; CHECK-NEXT: [[CMP:%.*]] = icmp slt i4 [[ARG:%.*]], 0
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; CHECK-NEXT: ret i1 [[CMP]]
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;
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%abs = call i4 @llvm.abs.i4(i4 %arg, i1 true)
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%cmp = icmp sgt i4 %abs, %arg
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ret i1 %cmp
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}
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define i1 @icmp_sgt_abs_false(i4 %arg) {
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; CHECK-LABEL: @icmp_sgt_abs_false(
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; CHECK-NEXT: [[CMP:%.*]] = icmp ugt i4 [[ARG:%.*]], -8
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; CHECK-NEXT: ret i1 [[CMP]]
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;
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%abs = call i4 @llvm.abs.i4(i4 %arg, i1 false)
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%cmp = icmp sgt i4 %abs, %arg
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ret i1 %cmp
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}
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define i1 @icmp_ugt_abs(i4 %arg) {
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; CHECK-LABEL: @icmp_ugt_abs(
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; CHECK-NEXT: ret i1 false
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;
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%abs = call i4 @llvm.abs.i4(i4 %arg, i1 true)
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%cmp = icmp ugt i4 %abs, %arg
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ret i1 %cmp
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}
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define i1 @icmp_ugt_abs_false(i4 %arg) {
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; CHECK-LABEL: @icmp_ugt_abs_false(
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; CHECK-NEXT: ret i1 false
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;
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%abs = call i4 @llvm.abs.i4(i4 %arg, i1 false)
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%cmp = icmp ugt i4 %abs, %arg
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ret i1 %cmp
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}
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define i1 @icmp_uge_abs(i4 %arg) {
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; CHECK-LABEL: @icmp_uge_abs(
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; CHECK-NEXT: [[CMP:%.*]] = icmp sgt i4 [[ARG:%.*]], -1
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; CHECK-NEXT: ret i1 [[CMP]]
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;
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%abs = call i4 @llvm.abs.i4(i4 %arg, i1 true)
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%cmp = icmp uge i4 %abs, %arg
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ret i1 %cmp
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}
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define i1 @icmp_uge_abs_false(i4 %arg) {
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; CHECK-LABEL: @icmp_uge_abs_false(
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; CHECK-NEXT: [[CMP:%.*]] = icmp ult i4 [[ARG:%.*]], -7
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; CHECK-NEXT: ret i1 [[CMP]]
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;
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%abs = call i4 @llvm.abs.i4(i4 %arg, i1 false)
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%cmp = icmp uge i4 %abs, %arg
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ret i1 %cmp
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}
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define i1 @icmp_ule_abs(i4 %arg) {
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; CHECK-LABEL: @icmp_ule_abs(
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; CHECK-NEXT: ret i1 true
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;
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%abs = call i4 @llvm.abs.i4(i4 %arg, i1 true)
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%cmp = icmp ule i4 %abs, %arg
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ret i1 %cmp
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}
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define i1 @icmp_ule_abs_false(i4 %arg) {
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; CHECK-LABEL: @icmp_ule_abs_false(
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; CHECK-NEXT: ret i1 true
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;
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%abs = call i4 @llvm.abs.i4(i4 %arg, i1 false)
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%cmp = icmp ule i4 %abs, %arg
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ret i1 %cmp
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}
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define i1 @icmp_ult_abs(i4 %arg) {
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; CHECK-LABEL: @icmp_ult_abs(
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; CHECK-NEXT: [[CMP:%.*]] = icmp slt i4 [[ARG:%.*]], 0
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; CHECK-NEXT: ret i1 [[CMP]]
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;
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%abs = call i4 @llvm.abs.i4(i4 %arg, i1 true)
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%cmp = icmp ult i4 %abs, %arg
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ret i1 %cmp
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}
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define i1 @icmp_ult_abs_false(i4 %arg) {
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; CHECK-LABEL: @icmp_ult_abs_false(
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; CHECK-NEXT: [[CMP:%.*]] = icmp ugt i4 [[ARG:%.*]], -8
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; CHECK-NEXT: ret i1 [[CMP]]
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;
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%abs = call i4 @llvm.abs.i4(i4 %arg, i1 false)
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%cmp = icmp ult i4 %abs, %arg
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ret i1 %cmp
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}
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define i1 @icmp_sge_abs2(i4 %arg) {
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; CHECK-LABEL: @icmp_sge_abs2(
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; CHECK-NEXT: [[X:%.*]] = mul i4 [[ARG:%.*]], [[ARG]]
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; CHECK-NEXT: [[CMP:%.*]] = icmp sgt i4 [[X]], -1
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; CHECK-NEXT: ret i1 [[CMP]]
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;
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%x = mul i4 %arg, %arg ; thwart complexity-based canonicalization
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%abs = call i4 @llvm.abs.i4(i4 %x, i1 true)
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%cmp = icmp sge i4 %x, %abs
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ret i1 %cmp
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}
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define i1 @icmp_sge_abs_mismatched_op(i4 %arg, i4 %arg2) {
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; CHECK-LABEL: @icmp_sge_abs_mismatched_op(
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; CHECK-NEXT: [[ABS:%.*]] = call i4 @llvm.abs.i4(i4 [[ARG:%.*]], i1 true)
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; CHECK-NEXT: [[CMP:%.*]] = icmp sge i4 [[ABS]], [[ARG2:%.*]]
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; CHECK-NEXT: ret i1 [[CMP]]
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;
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%abs = call i4 @llvm.abs.i4(i4 %arg, i1 true)
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%cmp = icmp sge i4 %abs, %arg2
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ret i1 %cmp
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}
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