1
0
mirror of https://github.com/RPCS3/llvm-mirror.git synced 2024-11-23 19:23:23 +01:00
llvm-mirror/test/CodeGen/X86/subreg-to-reg-0.ll
Dávid Bolvanský abfb9e7ee2 [Codegen][X86] Modernize/regenerate old tests. NFCI.
Summary:
Switch to FileCheck where possible.
Adjust tests so they can be easily regenerated by update scripts.

Reviewers: craig.topper, spatel, RKSimon

Reviewed By: spatel

Subscribers: MatzeB, qcolombet, arphaman, jfb, llvm-commits

Tags: #llvm

Differential Revision: https://reviews.llvm.org/D71211
2019-12-10 00:27:46 +01:00

18 lines
474 B
LLVM

; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
; RUN: llc < %s -mtriple=x86_64-- | FileCheck %s
; Do eliminate the zero-extension instruction and rely on
; x86-64's implicit zero-extension!
define i64 @foo(i32* %p) nounwind {
; CHECK-LABEL: foo:
; CHECK: # %bb.0:
; CHECK-NEXT: movl (%rdi), %eax
; CHECK-NEXT: incl %eax
; CHECK-NEXT: retq
%t = load i32, i32* %p
%n = add i32 %t, 1
%z = zext i32 %n to i64
ret i64 %z
}