diff options
Diffstat (limited to 'llvm/test/Transforms/CodeGenPrepare/ARM/splitgep.ll')
-rw-r--r-- | llvm/test/Transforms/CodeGenPrepare/ARM/splitgep.ll | 40 |
1 files changed, 40 insertions, 0 deletions
diff --git a/llvm/test/Transforms/CodeGenPrepare/ARM/splitgep.ll b/llvm/test/Transforms/CodeGenPrepare/ARM/splitgep.ll new file mode 100644 index 00000000000..b2edb852385 --- /dev/null +++ b/llvm/test/Transforms/CodeGenPrepare/ARM/splitgep.ll @@ -0,0 +1,40 @@ +; RUN: opt -S -codegenprepare %s | FileCheck %s + +target datalayout = "e-m:e-p:32:32-i64:64-v128:64:128-a:0:32-n32-S64" +target triple = "thumbv6m-arm-none-eabi" + +; Check that we have deterministic output +define void @test([65536 x i32]** %sp, [65536 x i32]* %t, i32 %n) { +; CHECK-LABEL: @test( +; CHECK-NEXT: entry: +; CHECK-NEXT: %0 = bitcast [65536 x i32]* %t to i8* +; CHECK-NEXT: %splitgep1 = getelementptr i8, i8* %0, i32 80000 +; CHECK-NEXT: %s = load [65536 x i32]*, [65536 x i32]** %sp +; CHECK-NEXT: %1 = bitcast [65536 x i32]* %s to i8* +; CHECK-NEXT: %splitgep = getelementptr i8, i8* %1, i32 80000 +entry: + %s = load [65536 x i32]*, [65536 x i32]** %sp + br label %while_cond + +while_cond: + %phi = phi i32 [ 0, %entry ], [ %i, %while_body ] + %gep0 = getelementptr [65536 x i32], [65536 x i32]* %s, i64 0, i32 20000 + %gep1 = getelementptr [65536 x i32], [65536 x i32]* %s, i64 0, i32 20001 + %gep2 = getelementptr [65536 x i32], [65536 x i32]* %t, i64 0, i32 20000 + %gep3 = getelementptr [65536 x i32], [65536 x i32]* %t, i64 0, i32 20001 + %cmp = icmp slt i32 %phi, %n + br i1 %cmp, label %while_body, label %while_end + +while_body: + %i = add i32 %phi, 1 + %j = add i32 %phi, 2 + store i32 %i, i32* %gep0 + store i32 %phi, i32* %gep1 + store i32 %i, i32* %gep2 + store i32 %phi, i32* %gep3 + br label %while_cond + +while_end: + ret void +} + |