112 lines
2.9 KiB
LLVM
112 lines
2.9 KiB
LLVM
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; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
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; RUN: opt < %s -instcombine -S | FileCheck %s
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define i1 @set_low_bit_mask_eq(i8 %x) {
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; CHECK-LABEL: @set_low_bit_mask_eq(
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; CHECK-NEXT: [[TMP1:%.*]] = and i8 [[X:%.*]], -2
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; CHECK-NEXT: [[CMP:%.*]] = icmp eq i8 [[TMP1]], 18
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; CHECK-NEXT: ret i1 [[CMP]]
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;
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%sub = or i8 %x, 1
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%cmp = icmp eq i8 %sub, 19
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ret i1 %cmp
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}
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define <2 x i1> @set_low_bit_mask_ne(<2 x i8> %x) {
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; CHECK-LABEL: @set_low_bit_mask_ne(
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; CHECK-NEXT: [[TMP1:%.*]] = and <2 x i8> [[X:%.*]], <i8 -4, i8 -4>
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; CHECK-NEXT: [[CMP:%.*]] = icmp ne <2 x i8> [[TMP1]], <i8 16, i8 16>
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; CHECK-NEXT: ret <2 x i1> [[CMP]]
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;
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%sub = or <2 x i8> %x, <i8 3, i8 3>
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%cmp = icmp ne <2 x i8> %sub, <i8 19, i8 19>
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ret <2 x i1> %cmp
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}
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define i1 @set_low_bit_mask_ugt(i8 %x) {
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; CHECK-LABEL: @set_low_bit_mask_ugt(
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; CHECK-NEXT: [[CMP:%.*]] = icmp ugt i8 [[X:%.*]], 19
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; CHECK-NEXT: ret i1 [[CMP]]
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;
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%sub = or i8 %x, 3
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%cmp = icmp ugt i8 %sub, 19
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ret i1 %cmp
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}
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define i1 @set_low_bit_mask_ult(i8 %x) {
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; CHECK-LABEL: @set_low_bit_mask_ult(
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; CHECK-NEXT: [[SUB:%.*]] = or i8 [[X:%.*]], 3
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; CHECK-NEXT: [[CMP:%.*]] = icmp ult i8 [[SUB]], 19
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; CHECK-NEXT: ret i1 [[CMP]]
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;
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%sub = or i8 %x, 3
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%cmp = icmp ult i8 %sub, 19
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ret i1 %cmp
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}
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define i1 @set_low_bit_mask_uge(i8 %x) {
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; CHECK-LABEL: @set_low_bit_mask_uge(
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; CHECK-NEXT: [[CMP:%.*]] = icmp ugt i8 [[X:%.*]], 19
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; CHECK-NEXT: ret i1 [[CMP]]
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;
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%sub = or i8 %x, 3
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%cmp = icmp uge i8 %sub, 20
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ret i1 %cmp
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}
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define i1 @set_low_bit_mask_ule(i8 %x) {
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; CHECK-LABEL: @set_low_bit_mask_ule(
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; CHECK-NEXT: [[SUB:%.*]] = or i8 [[X:%.*]], 3
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; CHECK-NEXT: [[CMP:%.*]] = icmp ult i8 [[SUB]], 19
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; CHECK-NEXT: ret i1 [[CMP]]
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;
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%sub = or i8 %x, 3
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%cmp = icmp ule i8 %sub, 18
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ret i1 %cmp
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}
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define i1 @set_low_bit_mask_sgt(i8 %x) {
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; CHECK-LABEL: @set_low_bit_mask_sgt(
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; CHECK-NEXT: [[SUB:%.*]] = or i8 [[X:%.*]], 3
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; CHECK-NEXT: [[CMP:%.*]] = icmp sgt i8 [[SUB]], 20
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; CHECK-NEXT: ret i1 [[CMP]]
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;
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%sub = or i8 %x, 3
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%cmp = icmp sgt i8 %sub, 20
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ret i1 %cmp
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}
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define i1 @set_low_bit_mask_slt(i8 %x) {
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; CHECK-LABEL: @set_low_bit_mask_slt(
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; CHECK-NEXT: [[SUB:%.*]] = or i8 [[X:%.*]], 15
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; CHECK-NEXT: [[CMP:%.*]] = icmp slt i8 [[SUB]], 19
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; CHECK-NEXT: ret i1 [[CMP]]
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;
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%sub = or i8 %x, 15
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%cmp = icmp slt i8 %sub, 19
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ret i1 %cmp
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}
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define i1 @set_low_bit_mask_sge(i8 %x) {
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; CHECK-LABEL: @set_low_bit_mask_sge(
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; CHECK-NEXT: [[SUB:%.*]] = or i8 [[X:%.*]], 31
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; CHECK-NEXT: [[CMP:%.*]] = icmp sgt i8 [[SUB]], 50
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; CHECK-NEXT: ret i1 [[CMP]]
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;
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%sub = or i8 %x, 31
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%cmp = icmp sge i8 %sub, 51
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ret i1 %cmp
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}
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define i1 @set_low_bit_mask_sle(i8 %x) {
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; CHECK-LABEL: @set_low_bit_mask_sle(
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; CHECK-NEXT: [[SUB:%.*]] = or i8 [[X:%.*]], 63
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; CHECK-NEXT: [[CMP:%.*]] = icmp slt i8 [[SUB]], 69
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; CHECK-NEXT: ret i1 [[CMP]]
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;
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%sub = or i8 %x, 63
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%cmp = icmp sle i8 %sub, 68
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ret i1 %cmp
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}
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