llvm-6502/test/CodeGen/PTX/cvt.ll
Dan Bailey b05a8a8f02 PTX: Add support for i8 type and introduce associated .b8 registers
The i8 type is required for boolean values, but can only use ld, st and mov instructions. The i1 type continues to be used for predicates.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@133814 91177308-0d34-0410-b5e6-96231b3b80d8
2011-06-24 19:27:10 +00:00

328 lines
7.5 KiB
LLVM

; RUN: llc < %s -march=ptx32 | FileCheck %s
; preds
; (note: we convert back to i32 to return)
define ptx_device i32 @cvt_pred_i8(i8 %x, i1 %y) {
; CHECK: setp.gt.b8 p[[P0:[0-9]+]], rq{{[0-9]+}}, 0
; CHECK-NEXT: and.pred p0, p[[P0:[0-9]+]], p{{[0-9]+}};
; CHECK-NEXT: selp.u32 r{{[0-9]+}}, 1, 0, p[[P0:[0-9]+]];
; CHECK-NEXT: ret;
%a = trunc i8 %x to i1
%b = and i1 %a, %y
%c = zext i1 %b to i32
ret i32 %c
}
define ptx_device i32 @cvt_pred_i16(i16 %x, i1 %y) {
; CHECK: setp.gt.b16 p[[P0:[0-9]+]], rh{{[0-9]+}}, 0
; CHECK-NEXT: and.pred p0, p[[P0:[0-9]+]], p{{[0-9]+}};
; CHECK-NEXT: selp.u32 r{{[0-9]+}}, 1, 0, p[[P0:[0-9]+]];
; CHECK-NEXT: ret;
%a = trunc i16 %x to i1
%b = and i1 %a, %y
%c = zext i1 %b to i32
ret i32 %c
}
define ptx_device i32 @cvt_pred_i32(i32 %x, i1 %y) {
; CHECK: setp.gt.b32 p[[P0:[0-9]+]], r{{[0-9]+}}, 0
; CHECK-NEXT: and.pred p0, p[[P0:[0-9]+]], p{{[0-9]+}};
; CHECK-NEXT: selp.u32 r{{[0-9]+}}, 1, 0, p[[P0:[0-9]+]];
; CHECK-NEXT: ret;
%a = trunc i32 %x to i1
%b = and i1 %a, %y
%c = zext i1 %b to i32
ret i32 %c
}
define ptx_device i32 @cvt_pred_i64(i64 %x, i1 %y) {
; CHECK: setp.gt.b64 p[[P0:[0-9]+]], rd{{[0-9]+}}, 0
; CHECK-NEXT: and.pred p0, p[[P0:[0-9]+]], p{{[0-9]+}};
; CHECK-NEXT: selp.u32 r{{[0-9]+}}, 1, 0, p[[P0:[0-9]+]];
; CHECK-NEXT: ret;
%a = trunc i64 %x to i1
%b = and i1 %a, %y
%c = zext i1 %b to i32
ret i32 %c
}
define ptx_device i32 @cvt_pred_f32(float %x, i1 %y) {
; CHECK: setp.gt.b32 p[[P0:[0-9]+]], r{{[0-9]+}}, 0
; CHECK-NEXT: and.pred p0, p[[P0:[0-9]+]], p{{[0-9]+}};
; CHECK-NEXT: selp.u32 r{{[0-9]+}}, 1, 0, p[[P0:[0-9]+]];
; CHECK-NEXT: ret;
%a = fptoui float %x to i1
%b = and i1 %a, %y
%c = zext i1 %b to i32
ret i32 %c
}
define ptx_device i32 @cvt_pred_f64(double %x, i1 %y) {
; CHECK: setp.gt.b64 p[[P0:[0-9]+]], rd{{[0-9]+}}, 0
; CHECK-NEXT: and.pred p0, p[[P0:[0-9]+]], p{{[0-9]+}};
; CHECK-NEXT: selp.u32 r{{[0-9]+}}, 1, 0, p[[P0:[0-9]+]];
; CHECK-NEXT: ret;
%a = fptoui double %x to i1
%b = and i1 %a, %y
%c = zext i1 %b to i32
ret i32 %c
}
; i8
define ptx_device i8 @cvt_i8_preds(i1 %x) {
; CHECK: selp.u8 rq{{[0-9]+}}, 1, 0, p{{[0-9]+}};
; CHECK-NEXT: ret;
%a = zext i1 %x to i8
ret i8 %a
}
define ptx_device i8 @cvt_i8_i32(i32 %x) {
; CHECK: cvt.u8.u32 rq{{[0-9]+}}, r{{[0-9]+}};
; CHECK-NEXT: ret;
%a = trunc i32 %x to i8
ret i8 %a
}
define ptx_device i8 @cvt_i8_i64(i64 %x) {
; CHECK: cvt.u8.u64 rq{{[0-9]+}}, rd{{[0-9]+}};
; CHECK-NEXT: ret;
%a = trunc i64 %x to i8
ret i8 %a
}
define ptx_device i8 @cvt_i8_f32(float %x) {
; CHECK: cvt.rzi.u8.f32 rq{{[0-9]+}}, r{{[0-9]+}};
; CHECK-NEXT: ret;
%a = fptoui float %x to i8
ret i8 %a
}
define ptx_device i8 @cvt_i8_f64(double %x) {
; CHECK: cvt.rzi.u8.f64 rq{{[0-9]+}}, rd{{[0-9]+}};
; CHECK-NEXT: ret;
%a = fptoui double %x to i8
ret i8 %a
}
; i16
define ptx_device i16 @cvt_i16_preds(i1 %x) {
; CHECK: selp.u16 rh{{[0-9]+}}, 1, 0, p{{[0-9]+}};
; CHECK-NEXT: ret;
%a = zext i1 %x to i16
ret i16 %a
}
define ptx_device i16 @cvt_i16_i8(i8 %x) {
; CHECK: cvt.u16.u8 rh{{[0-9]+}}, rq{{[0-9]+}};
; CHECK-NEXT: ret;
%a = zext i8 %x to i16
ret i16 %a
}
define ptx_device i16 @cvt_i16_i32(i32 %x) {
; CHECK: cvt.u16.u32 rh{{[0-9]+}}, r{{[0-9]+}};
; CHECK-NEXT: ret;
%a = trunc i32 %x to i16
ret i16 %a
}
define ptx_device i16 @cvt_i16_i64(i64 %x) {
; CHECK: cvt.u16.u64 rh{{[0-9]+}}, rd{{[0-9]+}};
; CHECK-NEXT: ret;
%a = trunc i64 %x to i16
ret i16 %a
}
define ptx_device i16 @cvt_i16_f32(float %x) {
; CHECK: cvt.rzi.u16.f32 rh{{[0-9]+}}, r{{[0-9]+}};
; CHECK-NEXT: ret;
%a = fptoui float %x to i16
ret i16 %a
}
define ptx_device i16 @cvt_i16_f64(double %x) {
; CHECK: cvt.rzi.u16.f64 rh{{[0-9]+}}, rd{{[0-9]+}};
; CHECK-NEXT: ret;
%a = fptoui double %x to i16
ret i16 %a
}
; i32
define ptx_device i32 @cvt_i32_preds(i1 %x) {
; CHECK: selp.u32 r{{[0-9]+}}, 1, 0, p{{[0-9]+}};
; CHECK-NEXT: ret;
%a = zext i1 %x to i32
ret i32 %a
}
define ptx_device i32 @cvt_i32_i8(i8 %x) {
; CHECK: cvt.u32.u8 r{{[0-9]+}}, rq{{[0-9]+}};
; CHECK-NEXT: ret;
%a = zext i8 %x to i32
ret i32 %a
}
define ptx_device i32 @cvt_i32_i16(i16 %x) {
; CHECK: cvt.u32.u16 r{{[0-9]+}}, rh{{[0-9]+}};
; CHECK-NEXT: ret;
%a = zext i16 %x to i32
ret i32 %a
}
define ptx_device i32 @cvt_i32_i64(i64 %x) {
; CHECK: cvt.u32.u64 r{{[0-9]+}}, rd{{[0-9]+}};
; CHECK-NEXT: ret;
%a = trunc i64 %x to i32
ret i32 %a
}
define ptx_device i32 @cvt_i32_f32(float %x) {
; CHECK: cvt.rzi.u32.f32 r{{[0-9]+}}, r{{[0-9]+}};
; CHECK-NEXT: ret;
%a = fptoui float %x to i32
ret i32 %a
}
define ptx_device i32 @cvt_i32_f64(double %x) {
; CHECK: cvt.rzi.u32.f64 r{{[0-9]+}}, rd{{[0-9]+}};
; CHECK-NEXT: ret;
%a = fptoui double %x to i32
ret i32 %a
}
; i64
define ptx_device i64 @cvt_i64_preds(i1 %x) {
; CHECK: selp.u64 rd{{[0-9]+}}, 1, 0, p{{[0-9]+}};
; CHECK-NEXT: ret;
%a = zext i1 %x to i64
ret i64 %a
}
define ptx_device i64 @cvt_i64_i8(i8 %x) {
; CHECK: cvt.u64.u8 rd{{[0-9]+}}, rq{{[0-9]+}};
; CHECK-NEXT: ret;
%a = zext i8 %x to i64
ret i64 %a
}
define ptx_device i64 @cvt_i64_i16(i16 %x) {
; CHECK: cvt.u64.u16 rd{{[0-9]+}}, rh{{[0-9]+}};
; CHECK-NEXT: ret;
%a = zext i16 %x to i64
ret i64 %a
}
define ptx_device i64 @cvt_i64_i32(i32 %x) {
; CHECK: cvt.u64.u32 rd{{[0-9]+}}, r{{[0-9]+}};
; CHECK-NEXT: ret;
%a = zext i32 %x to i64
ret i64 %a
}
define ptx_device i64 @cvt_i64_f32(float %x) {
; CHECK: cvt.rzi.u64.f32 rd{{[0-9]+}}, r{{[0-9]+}};
; CHECK-NEXT: ret;
%a = fptoui float %x to i64
ret i64 %a
}
define ptx_device i64 @cvt_i64_f64(double %x) {
; CHECK: cvt.rzi.u64.f64 rd{{[0-9]+}}, rd{{[0-9]+}};
; CHECK: ret;
%a = fptoui double %x to i64
ret i64 %a
}
; f32
define ptx_device float @cvt_f32_preds(i1 %x) {
; CHECK: selp.f32 r{{[0-9]+}}, 0F3F800000, 0F00000000, p{{[0-9]+}};
; CHECK-NEXT: ret;
%a = uitofp i1 %x to float
ret float %a
}
define ptx_device float @cvt_f32_i8(i8 %x) {
; CHECK: cvt.rn.f32.u8 r{{[0-9]+}}, rq{{[0-9]+}};
; CHECK-NEXT: ret;
%a = uitofp i8 %x to float
ret float %a
}
define ptx_device float @cvt_f32_i16(i16 %x) {
; CHECK: cvt.rn.f32.u16 r{{[0-9]+}}, rh{{[0-9]+}};
; CHECK-NEXT: ret;
%a = uitofp i16 %x to float
ret float %a
}
define ptx_device float @cvt_f32_i32(i32 %x) {
; CHECK: cvt.rn.f32.u32 r{{[0-9]+}}, r{{[0-9]+}};
; CHECK-NEXT: ret;
%a = uitofp i32 %x to float
ret float %a
}
define ptx_device float @cvt_f32_i64(i64 %x) {
; CHECK: cvt.rn.f32.u64 r{{[0-9]+}}, rd{{[0-9]+}};
; CHECK-NEXT: ret;
%a = uitofp i64 %x to float
ret float %a
}
define ptx_device float @cvt_f32_f64(double %x) {
; CHECK: cvt.rn.f32.f64 r{{[0-9]+}}, rd{{[0-9]+}};
; CHECK-NEXT: ret;
%a = fptrunc double %x to float
ret float %a
}
; f64
define ptx_device double @cvt_f64_preds(i1 %x) {
; CHECK: selp.f64 rd{{[0-9]+}}, 0D3F80000000000000, 0D0000000000000000, p{{[0-9]+}};
; CHECK-NEXT: ret;
%a = uitofp i1 %x to double
ret double %a
}
define ptx_device double @cvt_f64_i8(i8 %x) {
; CHECK: cvt.rn.f64.u8 rd{{[0-9]+}}, rq{{[0-9]+}};
; CHECK-NEXT: ret;
%a = uitofp i8 %x to double
ret double %a
}
define ptx_device double @cvt_f64_i16(i16 %x) {
; CHECK: cvt.rn.f64.u16 rd{{[0-9]+}}, rh{{[0-9]+}};
; CHECK-NEXT: ret;
%a = uitofp i16 %x to double
ret double %a
}
define ptx_device double @cvt_f64_i32(i32 %x) {
; CHECK: cvt.rn.f64.u32 rd{{[0-9]+}}, r{{[0-9]+}};
; CHECK-NEXT: ret;
%a = uitofp i32 %x to double
ret double %a
}
define ptx_device double @cvt_f64_i64(i64 %x) {
; CHECK: cvt.rn.f64.u64 rd{{[0-9]+}}, rd{{[0-9]+}};
; CHECK-NEXT: ret;
%a = uitofp i64 %x to double
ret double %a
}
define ptx_device double @cvt_f64_f32(float %x) {
; CHECK: cvt.f64.f32 rd{{[0-9]+}}, r{{[0-9]+}};
; CHECK-NEXT: ret;
%a = fpext float %x to double
ret double %a
}