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caa4701e37
The zeroextend IR instruction is lowered to an 'and' node with an immediate mask operand, which in turn gets legalised to a sequence of ori's & ands. This can be done more efficiently using the rldicl instruction. Patch by Tobias von Koch. llvm-svn: 162724
12 lines
331 B
LLVM
12 lines
331 B
LLVM
; RUN: llc < %s | FileCheck %s
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target datalayout = "E-p:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-v128:128:128-n32:64"
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target triple = "powerpc64-unknown-linux"
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define i64 @fun(i32 %arg32) nounwind {
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entry:
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; CHECK: rldicl {{[0-9]+}}, {{[0-9]+}}, 0, 32
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%o = zext i32 %arg32 to i64
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ret i64 %o
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}
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