ftrunc.ll
1.19 KB
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; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
; RUN: llc -mtriple=armv7-eabi < %s | FileCheck %s
define float @trunc_unsigned_f32(float %x) nounwind {
; CHECK-LABEL: trunc_unsigned_f32:
; CHECK: @ %bb.0:
; CHECK-NEXT: vmov s0, r0
; CHECK-NEXT: vcvt.u32.f32 s0, s0
; CHECK-NEXT: vcvt.f32.u32 s0, s0
; CHECK-NEXT: vmov r0, s0
; CHECK-NEXT: bx lr
%i = fptoui float %x to i32
%r = uitofp i32 %i to float
ret float %r
}
define double @trunc_unsigned_f64_i64(double %x) nounwind {
; CHECK-LABEL: trunc_unsigned_f64_i64:
; CHECK: @ %bb.0:
; CHECK-NEXT: .save {r11, lr}
; CHECK-NEXT: push {r11, lr}
; CHECK-NEXT: bl __aeabi_d2ulz
; CHECK-NEXT: bl __aeabi_ul2d
; CHECK-NEXT: pop {r11, pc}
%i = fptoui double %x to i64
%r = uitofp i64 %i to double
ret double %r
}
define double @trunc_unsigned_f64_i32(double %x) nounwind {
; CHECK-LABEL: trunc_unsigned_f64_i32:
; CHECK: @ %bb.0:
; CHECK-NEXT: vmov d16, r0, r1
; CHECK-NEXT: vcvt.u32.f64 s0, d16
; CHECK-NEXT: vcvt.f64.u32 d16, s0
; CHECK-NEXT: vmov r0, r1, d16
; CHECK-NEXT: bx lr
%i = fptoui double %x to i32
%r = uitofp i32 %i to double
ret double %r
}