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145 lines
3.5 KiB
LLVM
145 lines
3.5 KiB
LLVM
; RUN: llc < %s -mtriple=i686-pc-win32 -mcpu=generic | FileCheck %s -check-prefix=FTOL
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; RUN: llc < %s -mtriple=i686-pc-mingw32 | FileCheck %s -check-prefix=COMPILERRT
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; RUN: llc < %s -mtriple=i686-pc-linux | FileCheck %s -check-prefix=COMPILERRT
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; RUN: llc < %s -mtriple=x86_64-pc-win32 | FileCheck %s -check-prefix=COMPILERRT
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; RUN: llc < %s -mtriple=x86_64-pc-mingw32 | FileCheck %s -check-prefix=COMPILERRT
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; RUN: llc < %s -mtriple=x86_64-pc-linux | FileCheck %s -check-prefix=COMPILERRT
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; RUN: llc < %s -mattr=-sse -O0 -mtriple=i686-pc-win32 | FileCheck %s -check-prefix=FTOL_2
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; Win32 targets use the MSVCRT _ftol2 runtime function for fptoui to i64. This
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; function has a nonstandard calling convention: the input value is expected on
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; the x87 stack instead of the callstack. The input value is popped by the
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; callee. Mingw32 uses normal cdecl compiler-rt functions.
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define i64 @double_ui64(double %x) nounwind {
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entry:
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; COMPILERRT: @double_ui64
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; COMPILERRT-NOT: calll __ftol2
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; FTOL: @double_ui64
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; FTOL: fldl
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; FTOL: calll __ftol2
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; FTOL-NOT: fstp
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%0 = fptoui double %x to i64
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ret i64 %0
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}
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define i64 @float_ui64(float %x) nounwind {
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entry:
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; COMPILERRT: @float_ui64
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; COMPILERRT-NOT: calll __ftol2
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; FTOL: @float_ui64
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; FTOL: flds
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; FTOL: calll __ftol2
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; FTOL-NOT: fstp
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%0 = fptoui float %x to i64
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ret i64 %0
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}
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define i64 @double_ui64_2(double %x, double %y, double %z) nounwind {
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; COMPILERRT: @double_ui64_2
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; FTOL: @double_ui64_2
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; FTOL_2: @double_ui64_2
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;; stack is empty
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; FTOL_2: fldl
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;; stack is %z
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; FTOL_2: fldl
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;; stack is %y %z
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; FTOL_2: fldl
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;; stack is %x %y %z
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; FTOL_2: fdiv %st(0), %st(1)
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;; stack is %x %1 %z
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; FTOL_2: fsubp %st(2)
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;; stack is %1 %2
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; FTOL_2: fxch
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; FTOL_2-NOT: fld
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; FTOL_2-NOT: fst
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;; stack is %2 %1
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; FTOL_2: calll __ftol2
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; FTOL_2-NOT: fxch
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; FTOL_2-NOT: fld
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; FTOL_2-NOT: fst
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; FTOL_2: calll __ftol2
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;; stack is empty
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%1 = fdiv double %x, %y
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%2 = fsub double %x, %z
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%3 = fptoui double %1 to i64
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%4 = fptoui double %2 to i64
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%5 = sub i64 %3, %4
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ret i64 %5
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}
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define i64 @double_ui64_3(double %x, double %y, double %z) nounwind {
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; COMPILERRT: @double_ui64_3
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; FTOL: @double_ui64_3
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; FTOL_2: @double_ui64_3
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;; stack is empty
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; FTOL_2: fldl
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;; stack is %z
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; FTOL_2: fldl
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;; stack is %y %z
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; FTOL_2: fldl
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;; stack is %x %y %z
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; FTOL_2: fdiv %st(0), %st(1)
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;; stack is %x %1 %z
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; FTOL_2: fsubp %st(2)
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;; stack is %1 %2
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; FTOL_2-NOT: fxch
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; FTOL_2-NOT: fld
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; FTOL_2-NOT: fst
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;; stack is %1 %2 (still)
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; FTOL_2: calll __ftol2
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; FTOL_2-NOT: fxch
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; FTOL_2-NOT: fld
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; FTOL_2-NOT: fst
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; FTOL_2: calll __ftol2
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;; stack is empty
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%1 = fdiv double %x, %y
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%2 = fsub double %x, %z
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%3 = fptoui double %1 to i64
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%4 = fptoui double %2 to i64
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%5 = sub i64 %4, %3
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ret i64 %5
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}
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define {double, i64} @double_ui64_4(double %x, double %y) nounwind {
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; COMPILERRT: @double_ui64_4
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; FTOL: @double_ui64_4
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; FTOL_2: @double_ui64_4
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;; stack is empty
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; FTOL_2: fldl
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;; stack is %y
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; FTOL_2: fldl
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;; stack is %x %y
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; FTOL_2: fxch
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;; stack is %y %x
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; FTOL_2: calll __ftol2
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;; stack is %x
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; FTOL_2: fld %st(0)
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;; stack is %x %x
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; FTOL_2: calll __ftol2
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;; stack is %x
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%1 = fptoui double %x to i64
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%2 = fptoui double %y to i64
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%3 = sub i64 %1, %2
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%4 = insertvalue {double, i64} undef, double %x, 0
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%5 = insertvalue {double, i64} %4, i64 %3, 1
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ret {double, i64} %5
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}
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define i32 @double_ui32_5(double %X) {
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; FTOL: @double_ui32_5
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; FTOL: calll __ftol2
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%tmp.1 = fptoui double %X to i32
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ret i32 %tmp.1
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}
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define i64 @double_ui64_5(double %X) {
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; FTOL: @double_ui64_5
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; FTOL: calll __ftol2
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%tmp.1 = fptoui double %X to i64
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ret i64 %tmp.1
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}
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