1 ; RUN: llc < %s -mtriple=arm64-apple-ios -relocation-model=pic -no-integrated-as | FileCheck %s -check-prefix=DARWIN 2 ; RUN: llc < %s -mtriple=arm64-apple-ios -relocation-model=static -no-integrated-as | FileCheck %s -check-prefix=DARWIN 3 ; RUN: llc < %s -mtriple=aarch64-linux-gnu -relocation-model=pic -no-integrated-as | FileCheck %s -check-prefix=PIC-LINUX 4 ; RUN: llc < %s -mtriple=aarch64-linux-gnu -relocation-model=static -code-model=large -no-integrated-as | FileCheck %s -check-prefix=STATIC-LARGE 5 ; RUN: llc < %s -mtriple=aarch64-linux-gnu -relocation-model=static -code-model=small -no-integrated-as | FileCheck %s -check-prefix=STATIC-SMALL 6 7 ; DARWIN: foo2 8 ; DARWIN: adrp [[R0:x[0-9]+]], ___stack_chk_guard@GOTPAGE 9 ; DARWIN: ldr [[R1:x[0-9]+]], {{\[}}[[R0]], ___stack_chk_guard@GOTPAGEOFF{{\]}} 10 ; DARWIN: ldr {{x[0-9]+}}, {{\[}}[[R1]]{{\]}} 11 12 ; PIC-LINUX: foo2 13 ; PIC-LINUX: adrp [[R0:x[0-9]+]], :got:__stack_chk_guard 14 ; PIC-LINUX: ldr [[R1:x[0-9]+]], {{\[}}[[R0]], :got_lo12:__stack_chk_guard{{\]}} 15 ; PIC-LINUX: ldr {{x[0-9]+}}, {{\[}}[[R1]]{{\]}} 16 17 ; STATIC-LARGE: foo2 18 ; STATIC-LARGE: movz [[R0:x[0-9]+]], #:abs_g3:__stack_chk_guard 19 ; STATIC-LARGE: movk [[R0]], #:abs_g2_nc:__stack_chk_guard 20 ; STATIC-LARGE: movk [[R0]], #:abs_g1_nc:__stack_chk_guard 21 ; STATIC-LARGE: movk [[R0]], #:abs_g0_nc:__stack_chk_guard 22 ; STATIC-LARGE: ldr {{x[0-9]+}}, {{\[}}[[R0]]{{\]}} 23 24 ; STATIC-SMALL: foo2 25 ; STATIC-SMALL: adrp [[R0:x[0-9]+]], __stack_chk_guard 26 ; STATIC-SMALL: ldr {{x[0-9]+}}, {{\[}}[[R0]], :lo12:__stack_chk_guard{{\]}} 27 28 define i32 @test_stack_guard_remat() #0 { 29 entry: 30 %a1 = alloca [256 x i32], align 4 31 %0 = bitcast [256 x i32]* %a1 to i8* 32 call void @llvm.lifetime.start(i64 1024, i8* %0) 33 %arraydecay = getelementptr inbounds [256 x i32], [256 x i32]* %a1, i64 0, i64 0 34 call void @foo3(i32* %arraydecay) 35 call void asm sideeffect "foo2", "~{w0},~{w1},~{w2},~{w3},~{w4},~{w5},~{w6},~{w7},~{w8},~{w9},~{w10},~{w11},~{w12},~{w13},~{w14},~{w15},~{w16},~{w17},~{w18},~{w19},~{w20},~{w21},~{w22},~{w23},~{w24},~{w25},~{w26},~{w27},~{w28},~{w29},~{w30}"() 36 call void @llvm.lifetime.end(i64 1024, i8* %0) 37 ret i32 0 38 } 39 40 ; Function Attrs: nounwind 41 declare void @llvm.lifetime.start(i64, i8* nocapture) 42 43 declare void @foo3(i32*) 44 45 ; Function Attrs: nounwind 46 declare void @llvm.lifetime.end(i64, i8* nocapture) 47 48 attributes #0 = { nounwind sspstrong "less-precise-fpmad"="false" "no-frame-pointer-elim"="true" "no-frame-pointer-elim-non-leaf" "no-infs-fp-math"="false" "no-nans-fp-math"="false" "stack-protector-buffer-size"="8" "unsafe-fp-math"="false" "use-soft-float"="false" } 49
