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https://github.com/c64scene-ar/llvm-6502.git
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27 lines
972 B
LLVM
27 lines
972 B
LLVM
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; RUN: llc --show-mc-encoding < %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-v64:64:64-v128:128:128-a0:0:64-s0:64:64-f80:128:128-n8:16:32:64"
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target triple = "x86_64-apple-darwin10.0.0"
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define i32 @f0(i32* nocapture %x) nounwind readonly ssp {
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entry:
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%tmp1 = load i32* %x ; <i32> [#uses=2]
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%tobool = icmp eq i32 %tmp1, 0 ; <i1> [#uses=1]
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br i1 %tobool, label %if.end, label %return
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if.end: ; preds = %entry
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; Check that we lower to the short form of cmpl, which has a fixed %eax
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; register.
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;
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; CHECK: cmpl $16777216, %eax
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; CHECK: # encoding: [0x3d,0x00,0x00,0x00,0x01]
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%cmp = icmp eq i32 %tmp1, 16777216 ; <i1> [#uses=1]
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%conv = zext i1 %cmp to i32 ; <i32> [#uses=1]
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ret i32 %conv
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return: ; preds = %entry
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ret i32 0
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}
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