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llvm-mirror/test/CodeGen/Mips/tail16.ll
Reed Kotler 012c0a0f79 Fix a problem with mips16 stubs when calls are transformed during
tail call optimization. Some more work may be needed for indirect
calls but this patch fixes the current regression in Prolangc++/trees.
S2 optimization as part of the general cleanup and optimization
of prolog and epilog was not saving S2 in this case and needed to.

llvm-svn: 197630
2013-12-18 23:57:48 +00:00

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LLVM

; RUN: llc -mtriple=mipsel-linux-gnu -march=mipsel -mcpu=mips16 -soft-float -mips16-hard-float -relocation-model=pic < %s | FileCheck %s
; Function Attrs: nounwind optsize
define float @h() {
entry:
%call = tail call float bitcast (float (...)* @g to float ()*)()
ret float %call
; CHECK: .ent h
; CHECK: save $16, $ra, $18, 32
; CHECK: lw ${{[0-9]+}}, %got(__mips16_call_stub_sf_0)(${{[0-9]+}})
; CHECK: restore $16, $ra, $18, 32
; CHECK: .end h
}
; Function Attrs: optsize
declare float @g(...)