================ @@ -0,0 +1,38 @@ +; Check that we do not generate an extra indirection accessing the stack guard +; variable, when the relocation model is static. +; +; RUN: llvm-as < %s > %t.bc +; RUN: llvm-lto -O0 -relocation-model=static -o %t.o %t.bc +; RUN: llvm-objdump -d -r %t.o | FileCheck %s + +target triple = "armv4t-unknown-unknown" + +define arm_aapcscc i8 @foo() #0 { +entry: + %arr = alloca [200 x i8], align 1 + call void @llvm.memset.p0.i32(ptr align 1 %arr, i8 0, i32 200, i1 false) + %arrayidx = getelementptr inbounds [200 x i8], ptr %arr, i32 0, i8 5 + %0 = load i8, ptr %arrayidx, align 1 + ret i8 %0 +} + +; CHECK: <foo>: +; CHECK: [[#%x,CURPC:]]:{{.*}} ldr r[[REG1:[0-9]+]], [pc, #0x[[#%x,OFFSET:]]] +; CHECK-NEXT: ldr r[[REG2:[0-9]+]], [r[[REG1]]] +; CHECK-NEXT: str r[[REG2]], +; CHECK: [[#CURPC + OFFSET + 8]]:{{.*}}.word +; CHECK-NEXT: R_ARM_ABS32 __stack_chk_guard + +declare void @llvm.memset.p0.i32(ptr nocapture writeonly, i8, i32, i1 immarg) ---------------- RKSimon wrote:
Is it worth pre-committing this test so that the patch shows the codegen fix? https://github.com/llvm/llvm-project/pull/65512 _______________________________________________ cfe-commits mailing list cfe-commits@lists.llvm.org https://lists.llvm.org/cgi-bin/mailman/listinfo/cfe-commits