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llvm-mirror/test/CodeGen/AArch64/PBQP-coalesce-benefit.ll
Arnaud A. de Grandmaison 08bfa12a78 [PBQP] Add a testcase for r220302: Fix coalescing benefits
llvm-svn: 220316
2014-10-21 20:10:21 +00:00

15 lines
484 B
LLVM

; RUN: llc < %s -verify-machineinstrs -mtriple=aarch64-none-linux-gnu -mcpu=cortex-a57 -mattr=+neon -fp-contract=fast -regalloc=pbqp -pbqp-coalescing | FileCheck %s
; CHECK-LABEL: test:
define i32 @test(i32 %acc, i32* nocapture readonly %c) {
entry:
%0 = load i32* %c, align 4
; CHECK-NOT: mov w{{[0-9]*}}, w0
%add = add nsw i32 %0, %acc
%arrayidx1 = getelementptr inbounds i32* %c, i64 1
%1 = load i32* %arrayidx1, align 4
%add2 = add nsw i32 %add, %1
ret i32 %add2
}