llvm-project/llvm/test/CodeGen/AArch64/arm64_32-null.ll

30 lines
707 B
LLVM

; RUN: llc -fast-isel=true -global-isel=false -O0 -mtriple=arm64_32-apple-ios %s -o - | FileCheck %s
; RUN: llc -fast-isel=false -global-isel=false -O0 -mtriple=arm64_32-apple-ios %s -o - | FileCheck %s
define void @test_store(i8** %p) {
; CHECK-LABEL: test_store:
; CHECK: mov [[R1:w[0-9]+]], wzr
; CHECK: str [[R1]], [x0]
store i8* null, i8** %p
ret void
}
define void @test_phi(i8** %p) {
; CHECK-LABEL: test_phi:
; CHECK: mov [[R1:x[0-9]+]], xzr
; CHECK: str [[R1]], [sp, #8]
; CHECK: b [[BB:LBB[0-9_]+]]
; CHECK: [[BB]]:
; CHECK: ldr x0, [sp, #8]
; CHECK: mov w8, w0
; CHECK: str w8, [x{{.*}}]
bb0:
br label %bb1
bb1:
%tmp0 = phi i8* [ null, %bb0 ]
store i8* %tmp0, i8** %p
ret void
}