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Diffstat (limited to 'test/CodeGen/PowerPC/lsa.ll')
| -rw-r--r-- | test/CodeGen/PowerPC/lsa.ll | 43 |
1 files changed, 43 insertions, 0 deletions
diff --git a/test/CodeGen/PowerPC/lsa.ll b/test/CodeGen/PowerPC/lsa.ll new file mode 100644 index 0000000..8a6338e --- /dev/null +++ b/test/CodeGen/PowerPC/lsa.ll @@ -0,0 +1,43 @@ +; RUN: llc < %s -mtriple=powerpc64-unknown-linux-gnu -mcpu=pwr7 | FileCheck %s +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" +target triple = "powerpc64-unknown-linux-gnu" + +define signext i32 @foo() #0 { +entry: + %v = alloca [8200 x i32], align 4 + %w = alloca [8200 x i32], align 4 + %q = alloca [8200 x i32], align 4 + %0 = bitcast [8200 x i32]* %v to i8* + call void @llvm.lifetime.start(i64 32800, i8* %0) #0 + %1 = bitcast [8200 x i32]* %w to i8* + call void @llvm.lifetime.start(i64 32800, i8* %1) #0 + %2 = bitcast [8200 x i32]* %q to i8* + call void @llvm.lifetime.start(i64 32800, i8* %2) #0 + %arraydecay = getelementptr inbounds [8200 x i32]* %q, i64 0, i64 0 + %arraydecay1 = getelementptr inbounds [8200 x i32]* %v, i64 0, i64 0 + %arraydecay2 = getelementptr inbounds [8200 x i32]* %w, i64 0, i64 0 + call void @bar(i32* %arraydecay, i32* %arraydecay1, i32* %arraydecay2) #0 + %3 = load i32* %arraydecay2, align 4 + %arrayidx3 = getelementptr inbounds [8200 x i32]* %w, i64 0, i64 1 + %4 = load i32* %arrayidx3, align 4 + +; CHECK: @foo +; CHECK-NOT: lwzx +; CHECK: lwz {{[0-9]+}}, 4([[REG:[0-9]+]]) +; CHECK: lwz {{[0-9]+}}, 0([[REG]]) +; CHECK: blr + + %add = add nsw i32 %4, %3 + call void @llvm.lifetime.end(i64 32800, i8* %2) #0 + call void @llvm.lifetime.end(i64 32800, i8* %1) #0 + call void @llvm.lifetime.end(i64 32800, i8* %0) #0 + ret i32 %add +} + +declare void @llvm.lifetime.start(i64, i8* nocapture) #0 + +declare void @bar(i32*, i32*, i32*) + +declare void @llvm.lifetime.end(i64, i8* nocapture) #0 + +attributes #0 = { nounwind } |
