mirror of
https://github.com/c64scene-ar/llvm-6502.git
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49 lines
1.8 KiB
LLVM
49 lines
1.8 KiB
LLVM
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; RUN: llc < %s -mtriple=powerpc64-unknown-linux-gnu -mcpu=pwr7 | 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-f128:128:128-v128:128:128-n32:64"
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target triple = "powerpc64-unknown-linux-gnu"
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define signext i32 @foo() #0 {
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entry:
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%v = alloca [8200 x i32], align 4
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%w = alloca [8200 x i32], align 4
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%q = alloca [8200 x i32], align 4
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%0 = bitcast [8200 x i32]* %v to i8*
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call void @llvm.lifetime.start(i64 32800, i8* %0) #0
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%1 = bitcast [8200 x i32]* %w to i8*
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call void @llvm.lifetime.start(i64 32800, i8* %1) #0
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%2 = bitcast [8200 x i32]* %q to i8*
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call void @llvm.lifetime.start(i64 32800, i8* %2) #0
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%arraydecay = getelementptr inbounds [8200 x i32]* %q, i64 0, i64 0
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%arraydecay1 = getelementptr inbounds [8200 x i32]* %v, i64 0, i64 0
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%arraydecay2 = getelementptr inbounds [8200 x i32]* %w, i64 0, i64 0
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call void @bar(i32* %arraydecay, i32* %arraydecay1, i32* %arraydecay2) #0
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%3 = load i32* %arraydecay2, align 4, !tbaa !0
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%arrayidx3 = getelementptr inbounds [8200 x i32]* %w, i64 0, i64 1
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%4 = load i32* %arrayidx3, align 4, !tbaa !0
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; CHECK: @foo
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; CHECK-NOT: lwzx
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; CHECK: lwz {{[0-9]+}}, 4([[REG:[0-9]+]])
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; CHECK: lwz {{[0-9]+}}, 0([[REG]])
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; CHECK: blr
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%add = add nsw i32 %4, %3
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call void @llvm.lifetime.end(i64 32800, i8* %2) #0
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call void @llvm.lifetime.end(i64 32800, i8* %1) #0
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call void @llvm.lifetime.end(i64 32800, i8* %0) #0
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ret i32 %add
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}
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declare void @llvm.lifetime.start(i64, i8* nocapture) #0
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declare void @bar(i32*, i32*, i32*)
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declare void @llvm.lifetime.end(i64, i8* nocapture) #0
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attributes #0 = { nounwind }
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!0 = metadata !{metadata !"int", metadata !1}
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!1 = metadata !{metadata !"omnipotent char", metadata !2}
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!2 = metadata !{metadata !"Simple C/C++ TBAA"}
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