derek.holloway
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73 lines
2.5 KiB
LLVM
73 lines
2.5 KiB
LLVM
; NOTE: Assertions have been autogenerated by utils/update_test_checks.py UTC_ARGS: --version 4
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; RUN: opt -passes=instcombine -S %s | FileCheck %s
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define i1 @umulov_square_i32(i32 %x) {
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; CHECK-LABEL: define i1 @umulov_square_i32(
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; CHECK-SAME: i32 [[X:%.*]]) {
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; CHECK-NEXT: [[RES:%.*]] = icmp ugt i32 [[X]], 65535
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; CHECK-NEXT: ret i1 [[RES]]
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;
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%ret = call {i32, i1} @llvm.umul.with.overflow.i32(i32 %x, i32 %x)
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%res = extractvalue {i32, i1} %ret, 1
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ret i1 %res
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}
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define i1 @umulov_square_i16(i16 %x) {
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; CHECK-LABEL: define i1 @umulov_square_i16(
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; CHECK-SAME: i16 [[X:%.*]]) {
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; CHECK-NEXT: [[RES:%.*]] = icmp ugt i16 [[X]], 255
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; CHECK-NEXT: ret i1 [[RES]]
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;
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%ret = call {i16, i1} @llvm.umul.with.overflow.i16(i16 %x, i16 %x)
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%res = extractvalue {i16, i1} %ret, 1
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ret i1 %res
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}
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; Negative tests
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define i1 @umulov_square_i13(i13 %x) {
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; CHECK-LABEL: define i1 @umulov_square_i13(
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; CHECK-SAME: i13 [[X:%.*]]) {
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; CHECK-NEXT: [[RET:%.*]] = call { i13, i1 } @llvm.umul.with.overflow.i13(i13 [[X]], i13 [[X]])
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; CHECK-NEXT: [[RES:%.*]] = extractvalue { i13, i1 } [[RET]], 1
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; CHECK-NEXT: ret i1 [[RES]]
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;
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%ret = call {i13, i1} @llvm.umul.with.overflow.i13(i13 %x, i13 %x)
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%res = extractvalue {i13, i1} %ret, 1
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ret i1 %res
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}
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define i1 @umulov_square_i32_multiuse(i32 %x) {
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; CHECK-LABEL: define i1 @umulov_square_i32_multiuse(
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; CHECK-SAME: i32 [[X:%.*]]) {
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; CHECK-NEXT: [[RET:%.*]] = call { i32, i1 } @llvm.umul.with.overflow.i32(i32 [[X]], i32 [[X]])
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; CHECK-NEXT: [[RES:%.*]] = extractvalue { i32, i1 } [[RET]], 1
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; CHECK-NEXT: [[VAL:%.*]] = extractvalue { i32, i1 } [[RET]], 0
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; CHECK-NEXT: call void @use(i32 [[VAL]])
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; CHECK-NEXT: ret i1 [[RES]]
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;
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%ret = call {i32, i1} @llvm.umul.with.overflow.i32(i32 %x, i32 %x)
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%res = extractvalue {i32, i1} %ret, 1
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%val = extractvalue {i32, i1} %ret, 0
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call void @use(i32 %val)
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ret i1 %res
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}
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define i1 @smulov_square_i32(i32 %x) {
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; CHECK-LABEL: define i1 @smulov_square_i32(
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; CHECK-SAME: i32 [[X:%.*]]) {
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; CHECK-NEXT: [[RET:%.*]] = call { i32, i1 } @llvm.smul.with.overflow.i32(i32 [[X]], i32 [[X]])
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; CHECK-NEXT: [[RES:%.*]] = extractvalue { i32, i1 } [[RET]], 1
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; CHECK-NEXT: ret i1 [[RES]]
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;
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%ret = call {i32, i1} @llvm.smul.with.overflow.i32(i32 %x, i32 %x)
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%res = extractvalue {i32, i1} %ret, 1
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ret i1 %res
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}
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declare {i32, i1} @llvm.umul.with.overflow.i32(i32, i32)
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declare {i32, i1} @llvm.smul.with.overflow.i32(i32, i32)
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declare {i16, i1} @llvm.umul.with.overflow.i16(i16, i16)
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declare {i13, i1} @llvm.umul.with.overflow.i13(i13, i13)
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declare void @use(i32)
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