llvm-project/llvm/test/CodeGen/PowerPC/uint-to-ppcfp128-crash.ll
Kai Nacke 5403c59c60 [PPC] Opaque pointer migration, part 2.
The LIT test cases were migrated with the script provided by
Nikita Popov. Due to the size of the change it is split into
several parts.

Reviewed By: nemanja, nikic

Differential Revision: https://reviews.llvm.org/D135474
2022-10-11 17:24:06 +00:00

22 lines
739 B
LLVM

; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
; RUN: llc -verify-machineinstrs -mcpu=pwr9 \
; RUN: -mtriple=powerpc64le-unknown-linux-gnu < %s | FileCheck %s
; Ensure we don't crash by trying to convert directly from a subword load
; to a ppc_fp128 as we do for conversions to f32/f64.
define ppc_fp128 @test(ptr nocapture readonly %Ptr) {
; CHECK-LABEL: test:
; CHECK: # %bb.0: # %entry
; CHECK-NEXT: lhz 3, 0(3)
; CHECK-NEXT: xxlxor 2, 2, 2
; CHECK-NEXT: stw 3, -4(1)
; CHECK-NEXT: addi 3, 1, -4
; CHECK-NEXT: lfiwzx 0, 0, 3
; CHECK-NEXT: xscvuxddp 1, 0
; CHECK-NEXT: blr
entry:
%0 = load i16, ptr %Ptr, align 2
%conv = uitofp i16 %0 to ppc_fp128
ret ppc_fp128 %conv
}