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llvm-mirror/test/CodeGen/Thumb2/thumb2-rev.ll
Sam Parker e2243cc305 [ARM] Remove t2xtpk feature from tests
I previously removed the T2XtPk feature from the ARM backend, but it
looks like I missed some of the tests that were using the feature.

Differential Revision: https://reviews.llvm.org/D30778

llvm-svn: 297386
2017-03-09 15:14:32 +00:00

24 lines
647 B
LLVM

; RUN: llc -mtriple=thumb-eabi -mcpu=arm1156t2-s -mattr=+thumb2,+v7 %s -o - | FileCheck %s
define i32 @f1(i32 %a) {
; CHECK-LABEL: f1:
; CHECK: rev r0, r0
%tmp = tail call i32 @llvm.bswap.i32(i32 %a)
ret i32 %tmp
}
declare i32 @llvm.bswap.i32(i32) nounwind readnone
define i32 @f2(i32 %X) {
; CHECK-LABEL: f2:
; CHECK: revsh r0, r0
%tmp1 = lshr i32 %X, 8
%tmp1.upgrd.1 = trunc i32 %tmp1 to i16
%tmp3 = trunc i32 %X to i16
%tmp2 = and i16 %tmp1.upgrd.1, 255
%tmp4 = shl i16 %tmp3, 8
%tmp5 = or i16 %tmp2, %tmp4
%tmp5.upgrd.2 = sext i16 %tmp5 to i32
ret i32 %tmp5.upgrd.2
}