llvm-6502/test/CodeGen/NVPTX/convert-int-sm20.ll
Justin Holewinski ac78a0645d [NVPTX] Calling conventions fix
Fix ABI handling for function
returning bool -- use st.param.b32 to return the value
and use ld.param.b32 in caller to load the return value.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@185177 91177308-0d34-0410-b5e6-96231b3b80d8
2013-06-28 17:58:10 +00:00

65 lines
1.5 KiB
LLVM

; RUN: llc < %s -march=nvptx -mcpu=sm_20 | FileCheck %s
; RUN: llc < %s -march=nvptx64 -mcpu=sm_20 | FileCheck %s
;; Integer conversions happen inplicitly by loading/storing the proper types
; i16
define i16 @cvt_i16_i32(i32 %x) {
; CHECK: ld.param.u16 %r[[R0:[0-9]+]], [cvt_i16_i32_param_{{[0-9]+}}]
; CHECK: st.param.b32 [func_retval{{[0-9]+}}+0], %r[[R0]]
; CHECK: ret
%a = trunc i32 %x to i16
ret i16 %a
}
define i16 @cvt_i16_i64(i64 %x) {
; CHECK: ld.param.u16 %r[[R0:[0-9]+]], [cvt_i16_i64_param_{{[0-9]+}}]
; CHECK: st.param.b32 [func_retval{{[0-9]+}}+0], %r[[R0]]
; CHECK: ret
%a = trunc i64 %x to i16
ret i16 %a
}
; i32
define i32 @cvt_i32_i16(i16 %x) {
; CHECK: ld.param.u16 %r[[R0:[0-9]+]], [cvt_i32_i16_param_{{[0-9]+}}]
; CHECK: st.param.b32 [func_retval{{[0-9]+}}+0], %r[[R0]]
; CHECK: ret
%a = zext i16 %x to i32
ret i32 %a
}
define i32 @cvt_i32_i64(i64 %x) {
; CHECK: ld.param.u32 %r[[R0:[0-9]+]], [cvt_i32_i64_param_{{[0-9]+}}]
; CHECK: st.param.b32 [func_retval{{[0-9]+}}+0], %r[[R0]]
; CHECK: ret
%a = trunc i64 %x to i32
ret i32 %a
}
; i64
define i64 @cvt_i64_i16(i16 %x) {
; CHECK: ld.param.u16 %rl[[R0:[0-9]+]], [cvt_i64_i16_param_{{[0-9]+}}]
; CHECK: st.param.b64 [func_retval{{[0-9]+}}+0], %rl[[R0]]
; CHECK: ret
%a = zext i16 %x to i64
ret i64 %a
}
define i64 @cvt_i64_i32(i32 %x) {
; CHECK: ld.param.u32 %rl[[R0:[0-9]+]], [cvt_i64_i32_param_{{[0-9]+}}]
; CHECK: st.param.b64 [func_retval{{[0-9]+}}+0], %rl[[R0]]
; CHECK: ret
%a = zext i32 %x to i64
ret i64 %a
}