llvm-6502/test/CodeGen/Mips/Fast-ISel/fpintconv.ll
Reed Kotler f6e11eacdd Implement floating point to integer conversion in mips fast-isel
Summary: Add the ability to convert 64 or 32 bit floating point values to integer in mips fast-isel

Test Plan:
fpintconv.ll
ran 4 flavors of test-suite with no errors, misp32 r1/r2 O0/O2

Reviewers: dsanders

Reviewed By: dsanders

Subscribers: llvm-commits, rfuhler, mcrosier

Differential Revision: http://reviews.llvm.org/D5562

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@219511 91177308-0d34-0410-b5e6-96231b3b80d8
2014-10-10 17:00:46 +00:00

36 lines
1.1 KiB
LLVM

; RUN: llc -march=mipsel -relocation-model=pic -O0 -mips-fast-isel -fast-isel-abort -mcpu=mips32r2 \
; RUN: < %s | FileCheck %s
; RUN: llc -march=mipsel -relocation-model=pic -O0 -mips-fast-isel -fast-isel-abort -mcpu=mips32 \
; RUN: < %s | FileCheck %s
@f = global float 0x40D6E83280000000, align 4
@d = global double 0x4132D68780000000, align 8
@i_f = common global i32 0, align 4
@i_d = common global i32 0, align 4
@.str = private unnamed_addr constant [5 x i8] c"%i \0A\00", align 1
; Function Attrs: nounwind
define void @ifv() {
entry:
; CHECK-LABEL: .ent ifv
%0 = load float* @f, align 4
%conv = fptosi float %0 to i32
; CHECK: trunc.w.s $f[[REG:[0-9]+]], $f{{[0-9]+}}
; CHECK: mfc1 ${{[0-9]+}}, $f[[REG]]
store i32 %conv, i32* @i_f, align 4
ret void
}
; Function Attrs: nounwind
define void @idv() {
entry:
; CHECK-LABEL: .ent idv
%0 = load double* @d, align 8
%conv = fptosi double %0 to i32
; CHECK: trunc.w.d $f[[REG:[0-9]+]], $f{{[0-9]+}}
; CHECK: mfc1 ${{[0-9]+}}, $f[[REG]]
store i32 %conv, i32* @i_d, align 4
ret void
}