llvm-for-llvmta/test/Transforms/CodeGenPrepare/ARM/dead-gep.ll

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2022-04-25 10:02:23 +02:00
; RUN: opt -codegenprepare -S %s -o - | FileCheck %s
target triple = "thumbv7-apple-ios7.0.0"
%struct = type [1000 x i32]
define void @test_dead_gep(%struct* %t0) {
; CHECK-LABEL: define void @test_dead_gep
; CHECK-NOT: getelementptr
; CHECK: %t16 = load i32, i32* undef
; CHECK: ret void
%t12 = getelementptr inbounds %struct, %struct* %t0, i32 1, i32 500
%t13 = load i32, i32* %t12, align 4
%t14 = icmp eq i32 %t13, 2
%t15 = select i1 %t14, i32* undef, i32* undef
%t16 = load i32, i32* %t15, align 4
ret void
}