llvm-project/llvm/test/Transforms/CodeGenPrepare/ARM/splitgep.ll

41 lines
1.3 KiB
LLVM

; 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
}