mirror of
https://github.com/c64scene-ar/llvm-6502.git
synced 2024-12-21 00:32:23 +00:00
f86a547419
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@134778 91177308-0d34-0410-b5e6-96231b3b80d8
86 lines
2.0 KiB
LLVM
86 lines
2.0 KiB
LLVM
; RUN: opt < %s -gvn -S | FileCheck %s
|
|
;
|
|
|
|
%0 = type { i64, i1 }
|
|
|
|
define i64 @test1(i64 %a, i64 %b) nounwind ssp {
|
|
entry:
|
|
%uadd = tail call %0 @llvm.uadd.with.overflow.i64(i64 %a, i64 %b)
|
|
%uadd.0 = extractvalue %0 %uadd, 0
|
|
%add1 = add i64 %a, %b
|
|
ret i64 %add1
|
|
}
|
|
|
|
; CHECK: @test1
|
|
; CHECK-NOT: add1
|
|
; CHECK: ret
|
|
|
|
define i64 @test2(i64 %a, i64 %b) nounwind ssp {
|
|
entry:
|
|
%usub = tail call %0 @llvm.usub.with.overflow.i64(i64 %a, i64 %b)
|
|
%usub.0 = extractvalue %0 %usub, 0
|
|
%sub1 = sub i64 %a, %b
|
|
ret i64 %sub1
|
|
}
|
|
|
|
; CHECK: @test2
|
|
; CHECK-NOT: sub1
|
|
; CHECK: ret
|
|
|
|
define i64 @test3(i64 %a, i64 %b) nounwind ssp {
|
|
entry:
|
|
%umul = tail call %0 @llvm.umul.with.overflow.i64(i64 %a, i64 %b)
|
|
%umul.0 = extractvalue %0 %umul, 0
|
|
%mul1 = mul i64 %a, %b
|
|
ret i64 %mul1
|
|
}
|
|
|
|
; CHECK: @test3
|
|
; CHECK-NOT: mul1
|
|
; CHECK: ret
|
|
|
|
define i64 @test4(i64 %a, i64 %b) nounwind ssp {
|
|
entry:
|
|
%sadd = tail call %0 @llvm.sadd.with.overflow.i64(i64 %a, i64 %b)
|
|
%sadd.0 = extractvalue %0 %sadd, 0
|
|
%add1 = add i64 %a, %b
|
|
ret i64 %add1
|
|
}
|
|
|
|
; CHECK: @test4
|
|
; CHECK-NOT: add1
|
|
; CHECK: ret
|
|
|
|
define i64 @test5(i64 %a, i64 %b) nounwind ssp {
|
|
entry:
|
|
%ssub = tail call %0 @llvm.ssub.with.overflow.i64(i64 %a, i64 %b)
|
|
%ssub.0 = extractvalue %0 %ssub, 0
|
|
%sub1 = sub i64 %a, %b
|
|
ret i64 %sub1
|
|
}
|
|
|
|
; CHECK: @test5
|
|
; CHECK-NOT: sub1
|
|
; CHECK: ret
|
|
|
|
define i64 @test6(i64 %a, i64 %b) nounwind ssp {
|
|
entry:
|
|
%smul = tail call %0 @llvm.smul.with.overflow.i64(i64 %a, i64 %b)
|
|
%smul.0 = extractvalue %0 %smul, 0
|
|
%mul1 = mul i64 %a, %b
|
|
ret i64 %mul1
|
|
}
|
|
|
|
; CHECK: @test6
|
|
; CHECK-NOT: mul1
|
|
; CHECK: ret
|
|
|
|
declare void @exit(i32) noreturn
|
|
declare %0 @llvm.uadd.with.overflow.i64(i64, i64) nounwind readnone
|
|
declare %0 @llvm.usub.with.overflow.i64(i64, i64) nounwind readnone
|
|
declare %0 @llvm.umul.with.overflow.i64(i64, i64) nounwind readnone
|
|
declare %0 @llvm.sadd.with.overflow.i64(i64, i64) nounwind readnone
|
|
declare %0 @llvm.ssub.with.overflow.i64(i64, i64) nounwind readnone
|
|
declare %0 @llvm.smul.with.overflow.i64(i64, i64) nounwind readnone
|
|
|