llvm/test/CodeGen/ARM/usat-lower.ll
Weiming Zhao 116cc72ed4 Fix mapping of @llvm.arm.ssat/usat intrinsics to ssat/usat instructions for Thumb2
Summary:
r250697 fixed the mapping for ARM mode. We have to do the same for Thumb2 otherwise the same llvm.arm.ssat() will generate different saturating amount for ARM and Thumb.

r250697: http://reviews.llvm.org/rL250697

Reviewers: rmaprath

Subscribers: aemerson, llvm-commits, rengolin

Differential Revision: http://reviews.llvm.org/D15653

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@256115 91177308-0d34-0410-b5e6-96231b3b80d8
2015-12-20 06:41:44 +00:00

12 lines
401 B
LLVM

; RUN: not llc < %s -O1 -mtriple=armv6-none-none-eabi 2>&1 | FileCheck %s
; RUN: not llc < %s -O1 -mtriple=thumbv7-none-none-eabi 2>&1 | FileCheck %s
; immediate argument < lower-bound
; CHECK: LLVM ERROR: Cannot select: intrinsic %llvm.arm.usat
define i32 @usat1() nounwind {
%tmp = call i32 @llvm.arm.usat(i32 128, i32 -1)
ret i32 %tmp
}
declare i32 @llvm.arm.usat(i32, i32) nounwind readnone