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Simon Dardis e5e25f0ecf [mips] Add tests for half precision floating point support.
These should have been part of r287349.

llvm-svn: 287574
2016-11-21 20:34:10 +00:00

29 lines
1.1 KiB
LLVM

; RUN: llc < %s -march=mips -mcpu=mips32r5 -mattr=+fp64,+msa | FileCheck %s
; Test that fexup[rl].w don't crash LLVM during type legalization.
@g = local_unnamed_addr global <8 x half> <half 0xH5BF8, half 0xH5BF8, half 0xH5BF8, half 0xH5BF8, half 0xH73C0, half 0xH73C0, half 0xH73C0, half 0xH73C0>, align 16
@i = local_unnamed_addr global <4 x float> zeroinitializer, align 16
@j = local_unnamed_addr global <4 x float> zeroinitializer, align 16
define i32 @test() local_unnamed_addr {
entry:
%0 = load <8 x half>, <8 x half>* @g, align 16
%1 = tail call <4 x float> @llvm.mips.fexupl.w(<8 x half> %0)
store <4 x float> %1, <4 x float>* @i, align 16
; CHECK: ld.h $w[[W0:[0-9]+]], 0(${{[0-9]+}})
; CHECK: fexupl.w $w[[W1:[0-9]+]], $w[[W0]]
; CHECK: st.w $w[[W1]], 0(${{[0-9]+}})
%2 = tail call <4 x float> @llvm.mips.fexupr.w(<8 x half> %0)
store <4 x float> %2, <4 x float>* @j, align 16
; CHECK: fexupr.w $w[[W2:[0-9]+]], $w[[W0]]
; CHECK: st.w $w[[W2]], 0(${{[0-9]+}})
ret i32 0
}
declare <4 x float> @llvm.mips.fexupl.w(<8 x half>)
declare <4 x float> @llvm.mips.fexupr.w(<8 x half>)