171 lines
5.1 KiB
LLVM
171 lines
5.1 KiB
LLVM
; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
|
|
; RUN: opt < %s -passes=instcombine -S | FileCheck %s
|
|
|
|
declare { i64, i1 } @llvm.umul.with.overflow.i64(i64, i64)
|
|
declare { i8, i1 } @llvm.umul.with.overflow.i8(i8, i8)
|
|
declare { i1, i1 } @llvm.umul.with.overflow.i1(i1, i1)
|
|
declare { <2 x i1>, <2 x i1> } @llvm.umul.with.overflow.v2i1(<2 x i1>, <2 x i1>)
|
|
|
|
define i1 @test_generic(i64 %a, i64 %b) {
|
|
; CHECK-LABEL: @test_generic(
|
|
; CHECK-NEXT: [[RES:%.*]] = tail call { i64, i1 } @llvm.umul.with.overflow.i64(i64 [[A:%.*]], i64 [[B:%.*]])
|
|
; CHECK-NEXT: [[OVERFLOW:%.*]] = extractvalue { i64, i1 } [[RES]], 1
|
|
; CHECK-NEXT: ret i1 [[OVERFLOW]]
|
|
;
|
|
%res = tail call { i64, i1 } @llvm.umul.with.overflow.i64(i64 %a, i64 %b)
|
|
%overflow = extractvalue { i64, i1 } %res, 1
|
|
ret i1 %overflow
|
|
}
|
|
|
|
define i1 @test_constant0(i8 %a) {
|
|
; CHECK-LABEL: @test_constant0(
|
|
; CHECK-NEXT: ret i1 false
|
|
;
|
|
%res = tail call { i8, i1 } @llvm.umul.with.overflow.i8(i8 %a, i8 0)
|
|
%overflow = extractvalue { i8, i1 } %res, 1
|
|
ret i1 %overflow
|
|
}
|
|
|
|
define i1 @test_constant1(i8 %a) {
|
|
; CHECK-LABEL: @test_constant1(
|
|
; CHECK-NEXT: ret i1 false
|
|
;
|
|
%res = tail call { i8, i1 } @llvm.umul.with.overflow.i8(i8 %a, i8 1)
|
|
%overflow = extractvalue { i8, i1 } %res, 1
|
|
ret i1 %overflow
|
|
}
|
|
|
|
define i1 @test_constant2(i8 %a) {
|
|
; CHECK-LABEL: @test_constant2(
|
|
; CHECK-NEXT: [[OVERFLOW:%.*]] = icmp slt i8 [[A:%.*]], 0
|
|
; CHECK-NEXT: ret i1 [[OVERFLOW]]
|
|
;
|
|
%res = tail call { i8, i1 } @llvm.umul.with.overflow.i8(i8 %a, i8 2)
|
|
%overflow = extractvalue { i8, i1 } %res, 1
|
|
ret i1 %overflow
|
|
}
|
|
|
|
define i1 @test_constant3(i8 %a) {
|
|
; CHECK-LABEL: @test_constant3(
|
|
; CHECK-NEXT: [[OVERFLOW:%.*]] = icmp ugt i8 [[A:%.*]], 85
|
|
; CHECK-NEXT: ret i1 [[OVERFLOW]]
|
|
;
|
|
%res = tail call { i8, i1 } @llvm.umul.with.overflow.i8(i8 %a, i8 3)
|
|
%overflow = extractvalue { i8, i1 } %res, 1
|
|
ret i1 %overflow
|
|
}
|
|
|
|
define i1 @test_constant4(i8 %a) {
|
|
; CHECK-LABEL: @test_constant4(
|
|
; CHECK-NEXT: [[OVERFLOW:%.*]] = icmp ugt i8 [[A:%.*]], 63
|
|
; CHECK-NEXT: ret i1 [[OVERFLOW]]
|
|
;
|
|
%res = tail call { i8, i1 } @llvm.umul.with.overflow.i8(i8 %a, i8 4)
|
|
%overflow = extractvalue { i8, i1 } %res, 1
|
|
ret i1 %overflow
|
|
}
|
|
|
|
|
|
define i1 @test_constant127(i8 %a) {
|
|
; CHECK-LABEL: @test_constant127(
|
|
; CHECK-NEXT: [[OVERFLOW:%.*]] = icmp ugt i8 [[A:%.*]], 2
|
|
; CHECK-NEXT: ret i1 [[OVERFLOW]]
|
|
;
|
|
%res = tail call { i8, i1 } @llvm.umul.with.overflow.i8(i8 %a, i8 127)
|
|
%overflow = extractvalue { i8, i1 } %res, 1
|
|
ret i1 %overflow
|
|
}
|
|
|
|
define i1 @test_constant128(i8 %a) {
|
|
; CHECK-LABEL: @test_constant128(
|
|
; CHECK-NEXT: [[OVERFLOW:%.*]] = icmp ugt i8 [[A:%.*]], 1
|
|
; CHECK-NEXT: ret i1 [[OVERFLOW]]
|
|
;
|
|
%res = tail call { i8, i1 } @llvm.umul.with.overflow.i8(i8 %a, i8 128)
|
|
%overflow = extractvalue { i8, i1 } %res, 1
|
|
ret i1 %overflow
|
|
}
|
|
|
|
define i1 @test_constant255(i8 %a) {
|
|
; CHECK-LABEL: @test_constant255(
|
|
; CHECK-NEXT: [[OVERFLOW:%.*]] = icmp ugt i8 [[A:%.*]], 1
|
|
; CHECK-NEXT: ret i1 [[OVERFLOW]]
|
|
;
|
|
%res = tail call { i8, i1 } @llvm.umul.with.overflow.i8(i8 %a, i8 255)
|
|
%overflow = extractvalue { i8, i1 } %res, 1
|
|
ret i1 %overflow
|
|
}
|
|
|
|
define i1 @i1_res(i1 %x, i1 %y) {
|
|
; CHECK-LABEL: @i1_res(
|
|
; CHECK-NEXT: [[M:%.*]] = and i1 [[X:%.*]], [[Y:%.*]]
|
|
; CHECK-NEXT: ret i1 [[M]]
|
|
;
|
|
%m = call {i1, i1} @llvm.umul.with.overflow.i1(i1 %x, i1 %y)
|
|
%r = extractvalue {i1, i1} %m, 0
|
|
ret i1 %r
|
|
}
|
|
|
|
define <2 x i1> @v2i1_res(<2 x i1> %x, <2 x i1> %y) {
|
|
; CHECK-LABEL: @v2i1_res(
|
|
; CHECK-NEXT: [[M:%.*]] = and <2 x i1> [[X:%.*]], [[Y:%.*]]
|
|
; CHECK-NEXT: ret <2 x i1> [[M]]
|
|
;
|
|
%m = call {<2 x i1>, <2 x i1>} @llvm.umul.with.overflow.v2i1(<2 x i1> %x, <2 x i1> %y)
|
|
%r = extractvalue {<2 x i1>, <2 x i1>} %m, 0
|
|
ret <2 x i1> %r
|
|
}
|
|
|
|
define i1 @i1_res_by_one(i1 %x) {
|
|
; CHECK-LABEL: @i1_res_by_one(
|
|
; CHECK-NEXT: ret i1 [[X:%.*]]
|
|
;
|
|
%m = call {i1, i1} @llvm.umul.with.overflow.i1(i1 %x, i1 1)
|
|
%r = extractvalue {i1, i1} %m, 0
|
|
ret i1 %r
|
|
}
|
|
|
|
define <2 x i1> @v2i1_res_by_one(<2 x i1> %x) {
|
|
; CHECK-LABEL: @v2i1_res_by_one(
|
|
; CHECK-NEXT: ret <2 x i1> [[X:%.*]]
|
|
;
|
|
%m = call {<2 x i1>, <2 x i1>} @llvm.umul.with.overflow.v2i1(<2 x i1> %x, <2 x i1> <i1 1, i1 1>)
|
|
%r = extractvalue {<2 x i1>, <2 x i1>} %m, 0
|
|
ret <2 x i1> %r
|
|
}
|
|
|
|
define i1 @i1_ov(i1 %x, i1 %y) {
|
|
; CHECK-LABEL: @i1_ov(
|
|
; CHECK-NEXT: ret i1 false
|
|
;
|
|
%m = call {i1, i1} @llvm.umul.with.overflow.i1(i1 %x, i1 %y)
|
|
%ov = extractvalue {i1, i1} %m, 1
|
|
ret i1 %ov
|
|
}
|
|
|
|
define <2 x i1> @v2i1_ov(<2 x i1> %x, <2 x i1> %y) {
|
|
; CHECK-LABEL: @v2i1_ov(
|
|
; CHECK-NEXT: ret <2 x i1> zeroinitializer
|
|
;
|
|
%m = call {<2 x i1>, <2 x i1>} @llvm.umul.with.overflow.v2i1(<2 x i1> %x, <2 x i1> %y)
|
|
%ov = extractvalue {<2 x i1>, <2 x i1>} %m, 1
|
|
ret <2 x i1> %ov
|
|
}
|
|
|
|
define i1 @i1_ov_by_one(i1 %x) {
|
|
; CHECK-LABEL: @i1_ov_by_one(
|
|
; CHECK-NEXT: ret i1 false
|
|
;
|
|
%m = call {i1, i1} @llvm.umul.with.overflow.i1(i1 %x, i1 1)
|
|
%ov = extractvalue {i1, i1} %m, 1
|
|
ret i1 %ov
|
|
}
|
|
|
|
define <2 x i1> @v2i1_ov_by_one(<2 x i1> %x) {
|
|
; CHECK-LABEL: @v2i1_ov_by_one(
|
|
; CHECK-NEXT: ret <2 x i1> zeroinitializer
|
|
;
|
|
%m = call {<2 x i1>, <2 x i1>} @llvm.umul.with.overflow.v2i1(<2 x i1> %x, <2 x i1> <i1 1, i1 1>)
|
|
%ov = extractvalue {<2 x i1>, <2 x i1>} %m, 1
|
|
ret <2 x i1> %ov
|
|
}
|