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29165da1cd
Updates the MSP430 target to generate EABI-compatible libcall names. As a byproduct, adjusts the hardware multiplier options available in the MSP430 target, adds support for promotion of the ISD::MUL operation for 8-bit integers, and correctly marks R11 as used by call instructions. Patch by Andrew Wygle. Differential Revision: https://reviews.llvm.org/D32676 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@302820 91177308-0d34-0410-b5e6-96231b3b80d8
44 lines
795 B
LLVM
44 lines
795 B
LLVM
; RUN: llc -O0 -mhwmult=32bit < %s | FileCheck %s
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target datalayout = "e-p:16:16:16-i8:8:8-i16:16:16-i32:16:32-n8:16-a0:16:16"
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target triple = "msp430---elf"
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@g_i32 = global i32 123, align 8
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@g_i64 = global i64 456, align 8
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@g_i16 = global i16 789, align 8
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define i16 @mpyi() #0 {
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entry:
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; CHECK: mpyi:
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; CHECK: call #__mspabi_mpyi_hw
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%0 = load volatile i16, i16* @g_i16, align 8
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%1 = mul i16 %0, %0
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ret i16 %1
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}
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define i32 @mpyli() #0 {
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entry:
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; CHECK: mpyli:
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; CHECK: call #__mspabi_mpyl_hw32
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%0 = load volatile i32, i32* @g_i32, align 8
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%1 = mul i32 %0, %0
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ret i32 %1
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}
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define i64 @mpylli() #0 {
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entry:
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; CHECK: mpylli:
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; CHECK: call #__mspabi_mpyll_hw32
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%0 = load volatile i64, i64* @g_i64, align 8
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%1 = mul i64 %0, %0
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ret i64 %1
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}
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attributes #0 = { nounwind }
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