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7663d1fd5a
This also introduces DAGCombiner patterns for mul.wide to multiply two smaller integers and produce a larger integer llvm-svn: 211935
38 lines
816 B
LLVM
38 lines
816 B
LLVM
; RUN: llc < %s -march=nvptx -mcpu=sm_20 | FileCheck %s
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; CHECK: mulwide16
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define i32 @mulwide16(i16 %a, i16 %b) {
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; CHECK: mul.wide.s16
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%val0 = sext i16 %a to i32
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%val1 = sext i16 %b to i32
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%val2 = mul i32 %val0, %val1
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ret i32 %val2
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}
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; CHECK: mulwideu16
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define i32 @mulwideu16(i16 %a, i16 %b) {
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; CHECK: mul.wide.u16
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%val0 = zext i16 %a to i32
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%val1 = zext i16 %b to i32
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%val2 = mul i32 %val0, %val1
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ret i32 %val2
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}
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; CHECK: mulwide32
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define i64 @mulwide32(i32 %a, i32 %b) {
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; CHECK: mul.wide.s32
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%val0 = sext i32 %a to i64
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%val1 = sext i32 %b to i64
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%val2 = mul i64 %val0, %val1
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ret i64 %val2
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}
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; CHECK: mulwideu32
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define i64 @mulwideu32(i32 %a, i32 %b) {
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; CHECK: mul.wide.u32
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%val0 = zext i32 %a to i64
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%val1 = zext i32 %b to i64
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%val2 = mul i64 %val0, %val1
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ret i64 %val2
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}
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