mirror of
https://github.com/RPCS3/llvm-mirror.git
synced 2024-11-01 00:12:50 +01:00
56 lines
1.3 KiB
LLVM
56 lines
1.3 KiB
LLVM
; RUN: opt < %s -instcombine -S | not grep itofp
|
|
|
|
define i1 @test1(i8 %A) {
|
|
%B = sitofp i8 %A to double
|
|
%C = fcmp ult double %B, 128.0
|
|
ret i1 %C ; True!
|
|
}
|
|
define i1 @test2(i8 %A) {
|
|
%B = sitofp i8 %A to double
|
|
%C = fcmp ugt double %B, -128.1
|
|
ret i1 %C ; True!
|
|
}
|
|
|
|
define i1 @test3(i8 %A) {
|
|
%B = sitofp i8 %A to double
|
|
%C = fcmp ule double %B, 127.0
|
|
ret i1 %C ; true!
|
|
}
|
|
|
|
define i1 @test4(i8 %A) {
|
|
%B = sitofp i8 %A to double
|
|
%C = fcmp ult double %B, 127.0
|
|
ret i1 %C ; A != 127
|
|
}
|
|
|
|
define i32 @test5(i32 %A) {
|
|
%B = sitofp i32 %A to double
|
|
%C = fptosi double %B to i32
|
|
%D = uitofp i32 %C to double
|
|
%E = fptoui double %D to i32
|
|
ret i32 %E
|
|
}
|
|
|
|
define i32 @test6(i32 %A) {
|
|
%B = and i32 %A, 7 ; <i32> [#uses=1]
|
|
%C = and i32 %A, 32 ; <i32> [#uses=1]
|
|
%D = sitofp i32 %B to double ; <double> [#uses=1]
|
|
%E = sitofp i32 %C to double ; <double> [#uses=1]
|
|
%F = fadd double %D, %E ; <double> [#uses=1]
|
|
%G = fptosi double %F to i32 ; <i32> [#uses=1]
|
|
ret i32 %G
|
|
}
|
|
|
|
define i32 @test7(i32 %a) nounwind {
|
|
%b = sitofp i32 %a to double ; <double> [#uses=1]
|
|
%c = fptoui double %b to i32 ; <i32> [#uses=1]
|
|
ret i32 %c
|
|
}
|
|
|
|
define i32 @test8(i32 %a) nounwind {
|
|
%b = uitofp i32 %a to double ; <double> [#uses=1]
|
|
%c = fptosi double %b to i32 ; <i32> [#uses=1]
|
|
ret i32 %c
|
|
}
|
|
|