mirror of
https://github.com/c64scene-ar/llvm-6502.git
synced 2024-12-13 20:32:21 +00:00
fb45b9fafc
This re-adds float2int to the tree, after fixing PR23038. It turns out the argument to APSInt() is true-if-unsigned, rather than true-if-signed :(. Added testcase and explanatory comment. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@233370 91177308-0d34-0410-b5e6-96231b3b80d8
17 lines
524 B
LLVM
17 lines
524 B
LLVM
; RUN: opt < %s -float2int -float2int-max-integer-bw=256 -S | FileCheck %s
|
|
|
|
; CHECK-LABEL: @neg_toolarge
|
|
; CHECK: %1 = uitofp i80 %a to fp128
|
|
; CHECK: %2 = fadd fp128 %1, %1
|
|
; CHECK: %3 = fptoui fp128 %2 to i80
|
|
; CHECK: ret i80 %3
|
|
; fp128 has a 112-bit mantissa, which can hold an i80. But we only support
|
|
; up to i64, so it should fail (even though the max integer bitwidth is 256).
|
|
define i80 @neg_toolarge(i80 %a) {
|
|
%1 = uitofp i80 %a to fp128
|
|
%2 = fadd fp128 %1, %1
|
|
%3 = fptoui fp128 %2 to i80
|
|
ret i80 %3
|
|
}
|
|
|