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81 lines
1.7 KiB
LLVM
81 lines
1.7 KiB
LLVM
; RUN: llc < %s -march=nvptx -mcpu=sm_35 | FileCheck %s
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; 64-bit divides and rems should be split into a fast and slow path where
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; the fast path uses a 32-bit operation.
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define void @sdiv64(i64 %a, i64 %b, i64* %retptr) {
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; CHECK-LABEL: sdiv64(
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; CHECK: div.s64
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; CHECK: div.u32
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; CHECK: ret
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%d = sdiv i64 %a, %b
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store i64 %d, i64* %retptr
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ret void
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}
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define void @udiv64(i64 %a, i64 %b, i64* %retptr) {
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; CHECK-LABEL: udiv64(
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; CHECK: div.u64
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; CHECK: div.u32
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; CHECK: ret
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%d = udiv i64 %a, %b
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store i64 %d, i64* %retptr
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ret void
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}
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define void @srem64(i64 %a, i64 %b, i64* %retptr) {
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; CHECK-LABEL: srem64(
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; CHECK: rem.s64
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; CHECK: rem.u32
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; CHECK: ret
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%d = srem i64 %a, %b
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store i64 %d, i64* %retptr
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ret void
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}
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define void @urem64(i64 %a, i64 %b, i64* %retptr) {
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; CHECK-LABEL: urem64(
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; CHECK: rem.u64
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; CHECK: rem.u32
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; CHECK: ret
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%d = urem i64 %a, %b
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store i64 %d, i64* %retptr
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ret void
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}
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define void @sdiv32(i32 %a, i32 %b, i32* %retptr) {
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; CHECK-LABEL: sdiv32(
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; CHECK: div.s32
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; CHECK-NOT: div.
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%d = sdiv i32 %a, %b
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store i32 %d, i32* %retptr
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ret void
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}
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define void @udiv32(i32 %a, i32 %b, i32* %retptr) {
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; CHECK-LABEL: udiv32(
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; CHECK: div.u32
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; CHECK-NOT: div.
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%d = udiv i32 %a, %b
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store i32 %d, i32* %retptr
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ret void
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}
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define void @srem32(i32 %a, i32 %b, i32* %retptr) {
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; CHECK-LABEL: srem32(
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; CHECK: rem.s32
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; CHECK-NOT: rem.
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%d = srem i32 %a, %b
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store i32 %d, i32* %retptr
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ret void
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}
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define void @urem32(i32 %a, i32 %b, i32* %retptr) {
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; CHECK-LABEL: urem32(
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; CHECK: rem.u32
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; CHECK-NOT: rem.
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%d = urem i32 %a, %b
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store i32 %d, i32* %retptr
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ret void
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}
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