llvm-for-llvmta/test/CodeGen/AArch64/fptouint-i8-zext.ll

18 lines
530 B
LLVM

; RUN: llc < %s | FileCheck %s
target datalayout = "e-m:e-i8:8:32-i16:16:32-i64:64-i128:128-n32:64-S128"
target triple = "aarch64"
; If the float value is negative or too large, the result is undefined anyway;
; otherwise, fcvtzs must returns a value in [0, 256), which guarantees zext.
; CHECK-LABEL: float_char_int_func:
; CHECK: fcvtzs [[A:w[0-9]+]], s0
; CHECK-NEXT: ret
define i32 @float_char_int_func(float %infloatVal) {
entry:
%conv = fptoui float %infloatVal to i8
%conv1 = zext i8 %conv to i32
ret i32 %conv1
}