1 files changed, 48 insertions, 0 deletions
diff --git a/test/CodeGen/AArch64/stack_guard_remat.ll b/test/CodeGen/AArch64/stack_guard_remat.ll
new file mode 100644
index 0000000..cee7266
--- /dev/null
+++ b/test/CodeGen/AArch64/stack_guard_remat.ll
@@ -0,0 +1,48 @@
+; RUN: llc < %s -mtriple=arm64-apple-ios -relocation-model=pic -no-integrated-as | FileCheck %s -check-prefix=DARWIN
+; RUN: llc < %s -mtriple=arm64-apple-ios -relocation-model=static -no-integrated-as | FileCheck %s -check-prefix=DARWIN
+; RUN: llc < %s -mtriple=aarch64-linux-gnu -relocation-model=pic -no-integrated-as | FileCheck %s -check-prefix=PIC-LINUX
+; RUN: llc < %s -mtriple=aarch64-linux-gnu -relocation-model=static -code-model=large -no-integrated-as | FileCheck %s -check-prefix=STATIC-LARGE
+; RUN: llc < %s -mtriple=aarch64-linux-gnu -relocation-model=static -code-model=small -no-integrated-as | FileCheck %s -check-prefix=STATIC-SMALL
+
+; DARWIN: foo2
+; DARWIN: adrp [[R0:x[0-9]+]], ___stack_chk_guard@GOTPAGE
+; DARWIN: ldr [[R1:x[0-9]+]], {{\[}}[[R0]], ___stack_chk_guard@GOTPAGEOFF{{\]}}
+; DARWIN: ldr {{x[0-9]+}}, {{\[}}[[R1]]{{\]}}
+
+; PIC-LINUX: foo2
+; PIC-LINUX: adrp [[R0:x[0-9]+]], :got:__stack_chk_guard
+; PIC-LINUX: ldr [[R1:x[0-9]+]], {{\[}}[[R0]], :got_lo12:__stack_chk_guard{{\]}}
+; PIC-LINUX: ldr {{x[0-9]+}}, {{\[}}[[R1]]{{\]}}
+
+; STATIC-LARGE: foo2
+; STATIC-LARGE: movz [[R0:x[0-9]+]], #:abs_g3:__stack_chk_guard
+; STATIC-LARGE: movk [[R0]], #:abs_g2_nc:__stack_chk_guard
+; STATIC-LARGE: movk [[R0]], #:abs_g1_nc:__stack_chk_guard
+; STATIC-LARGE: movk [[R0]], #:abs_g0_nc:__stack_chk_guard
+; STATIC-LARGE: ldr {{x[0-9]+}}, {{\[}}[[R0]]{{\]}}
+
+; STATIC-SMALL: foo2
+; STATIC-SMALL: adrp [[R0:x[0-9]+]], __stack_chk_guard
+; STATIC-SMALL: ldr {{x[0-9]+}}, {{\[}}[[R0]], :lo12:__stack_chk_guard{{\]}}
+
+define i32 @test_stack_guard_remat() #0 {
+entry:
+  %a1 = alloca [256 x i32], align 4
+  %0 = bitcast [256 x i32]* %a1 to i8*
+  call void @llvm.lifetime.start(i64 1024, i8* %0)
+  %arraydecay = getelementptr inbounds [256 x i32]* %a1, i64 0, i64 0
+  call void @foo3(i32* %arraydecay)
+  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}"()
+  call void @llvm.lifetime.end(i64 1024, i8* %0)
+  ret i32 0
+}
+
+; Function Attrs: nounwind
+declare void @llvm.lifetime.start(i64, i8* nocapture)
+
+declare void @foo3(i32*)
+
+; Function Attrs: nounwind
+declare void @llvm.lifetime.end(i64, i8* nocapture)
+
+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" }