Files
clang-p2996/llvm/test/CodeGen/PowerPC/fold-rlwinm-1.ll
Kai Nacke 427fb35192 [PPC] Opaque pointer migration, part 1.
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, amyk, nikic, PowerPC

Differential Revision: https://reviews.llvm.org/D135470
2022-10-11 17:24:06 +00:00

45 lines
1.4 KiB
LLVM

; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
; RUN: llc -verify-machineinstrs -ppc-asm-full-reg-names < %s \
; RUN: -mtriple=powerpc64le-unknown-linux-gnu | FileCheck %s
@res = dso_local local_unnamed_addr global i32 0, align 4
@res2 = dso_local local_unnamed_addr global i32 0, align 4
define void @foo(i32 signext %var1) {
; CHECK-LABEL: foo:
; CHECK: # %bb.0: # %entry
; CHECK-NEXT: xori r3, r3, 1
; CHECK-NEXT: addis r4, r2, res@toc@ha
; CHECK-NEXT: cntlzw r3, r3
; CHECK-NEXT: rlwinm r3, r3, 14, 0, 12
; CHECK-NEXT: stw r3, res@toc@l(r4)
; CHECK-NEXT: blr
entry:
%cmp = icmp eq i32 %var1, 1
%conv = zext i1 %cmp to i32
%shl = shl nuw nsw i32 %conv, 19
store i32 %shl, ptr @res, align 4
ret void
}
define void @foo_multiple_use(i32 signext %var1) {
; CHECK-LABEL: foo_multiple_use:
; CHECK: # %bb.0: # %entry
; CHECK-NEXT: xori r3, r3, 1
; CHECK-NEXT: addis r4, r2, res2@toc@ha
; CHECK-NEXT: addis r6, r2, res@toc@ha
; CHECK-NEXT: cntlzw r3, r3
; CHECK-NEXT: srwi r5, r3, 5
; CHECK-NEXT: rlwinm r3, r3, 14, 0, 12
; CHECK-NEXT: stw r5, res2@toc@l(r4)
; CHECK-NEXT: stw r3, res@toc@l(r6)
; CHECK-NEXT: blr
entry:
%cmp = icmp eq i32 %var1, 1
%conv = zext i1 %cmp to i32
store i32 %conv, ptr @res2, align 4
%shl = shl nuw nsw i32 %conv, 19
store i32 %shl, ptr @res, align 4
ret void
}