; RUN: llc < %s -mcpu=i486 | FileCheck %s ; PR1505 target datalayout = "e-p:32:32:32-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:32:64-f32:32:32-f64:32:64-v64:64:64-v128:128:128-a0:0:64" target triple = "i686-apple-darwin8" %"struct.std::basic_ios<char,std::char_traits<char> >" = type { %"struct.std::ios_base", ptr, i8, i8, ptr, ptr, ptr, ptr } %"struct.std::basic_ostream<char,std::char_traits<char> >" = type { ptr, %"struct.std::basic_ios<char,std::char_traits<char> >" } %"struct.std::basic_streambuf<char,std::char_traits<char> >" = type { ptr, ptr, ptr, ptr, ptr, ptr, ptr, %"struct.std::locale" } %"struct.std::ctype<char>" = type { %"struct.std::locale::facet", ptr, i8, ptr, ptr, ptr, i8, [256 x i8], [256 x i8], i8 } %"struct.std::ctype_base" = type <{ i8 }> %"struct.std::ios_base" = type { ptr, i32, i32, i32, i32, i32, ptr, %"struct.std::ios_base::_Words", [8 x %"struct.std::ios_base::_Words"], i32, ptr, %"struct.std::locale" } %"struct.std::ios_base::_Callback_list" = type { ptr, ptr, i32, i32 } %"struct.std::ios_base::_Words" = type { ptr, i32 } %"struct.std::locale" = type { ptr } %"struct.std::locale::_Impl" = type { i32, ptr, i32, ptr, ptr } %"struct.std::locale::facet" = type { ptr, i32 } %"struct.std::num_get<char,std::istreambuf_iterator<char, std::char_traits<char> > >" = type { %"struct.std::locale::facet" } @a = global float 0x3FD3333340000000 ; <ptr> [#uses=1] @b = global double 6.000000e-01, align 8 ; <ptr> [#uses=1] @_ZSt8__ioinit = internal global %"struct.std::ctype_base" zeroinitializer ; <ptr> [#uses=2] @__dso_handle = external global ptr ; <ptr> [#uses=1] @_ZSt4cout = external global %"struct.std::basic_ostream<char,std::char_traits<char> >" ; <ptr> [#uses=2] @.str = internal constant [12 x i8] c"tan float: \00" ; <ptr> [#uses=1] @.str1 = internal constant [13 x i8] c"tan double: \00" ; <ptr> [#uses=1] declare void @_ZNSt8ios_base4InitD1Ev(ptr) declare void @_ZNSt8ios_base4InitC1Ev(ptr) declare i32 @__cxa_atexit(ptr, ptr, ptr) ; CHECK: main define i32 @main() { entry: ; CHECK: flds %tmp6 = load volatile float, ptr @a ; <float> [#uses=1] ; CHECK: fstps (%esp) ; CHECK: tanf %tmp9 = tail call float @tanf( float %tmp6 ) ; <float> [#uses=1] ; Spill returned value: ; CHECK: fstp ; CHECK: fldl %tmp12 = load volatile double, ptr @b ; <double> [#uses=1] ; CHECK: fstpl (%esp) ; CHECK: tan %tmp13 = tail call double @tan( double %tmp12 ) ; <double> [#uses=1] ; Spill returned value: ; CHECK: fstp %tmp1314 = fptrunc double %tmp13 to float ; <float> [#uses=1] %tmp16 = tail call ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc( ptr @_ZSt4cout, ptr @.str ) ; <ptr> [#uses=1] %tmp1920 = fpext float %tmp9 to double ; <double> [#uses=1] ; reload: ; CHECK: fld ; CHECK: fstpl ; CHECK: ZNSolsEd %tmp22 = tail call ptr @_ZNSolsEd( ptr %tmp16, double %tmp1920 ) ; <ptr> [#uses=1] %tmp30 = tail call ptr @_ZSt4endlIcSt11char_traitsIcEERSt13basic_ostreamIT_T0_ES6_( ptr %tmp22 ) ; <ptr> [#uses=0] ; reload: ; CHECK: ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc %tmp34 = tail call ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc( ptr @_ZSt4cout, ptr @.str1 ) ; <ptr> [#uses=1] %tmp3940 = fpext float %tmp1314 to double ; <double> [#uses=1] ; CHECK: fld ; CHECK: fstpl ; CHECK: ZNSolsEd %tmp42 = tail call ptr @_ZNSolsEd( ptr %tmp34, double %tmp3940 ) ; <ptr> [#uses=1] %tmp51 = tail call ptr @_ZSt4endlIcSt11char_traitsIcEERSt13basic_ostreamIT_T0_ES6_( ptr %tmp42 ) ; <ptr> [#uses=0] ret i32 0 } declare float @tanf(float) declare double @tan(double) declare ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr, ptr) declare ptr @_ZNSolsEd(ptr, double) declare ptr @_ZSt4endlIcSt11char_traitsIcEERSt13basic_ostreamIT_T0_ES6_(ptr)