xref: /llvm-project/llvm/test/CodeGen/AArch64/fptouint-i8-zext.ll (revision 5480eb8445856a059f57bb9c6c54dc3afbbbc4ff)
1; RUN: llc < %s | FileCheck %s
2
3target datalayout = "e-m:e-i8:8:32-i16:16:32-i64:64-i128:128-n32:64-S128"
4target triple = "aarch64"
5
6; If the float value is negative or too large, the result is undefined anyway;
7; otherwise, fcvtzs must returns a value in [0, 256), which guarantees zext.
8
9; CHECK-LABEL: float_char_int_func:
10; CHECK: fcvtzs [[A:w[0-9]+]], s0
11; CHECK-NEXT: ret
12define i32 @float_char_int_func(float %infloatVal) {
13entry:
14  %conv = fptoui float %infloatVal to i8
15  %conv1 = zext i8 %conv to i32
16  ret i32 %conv1
17}
18