| ; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py UTC_ARGS: --version 5 |
| ; RUN: llc -mtriple=sparc < %s | FileCheck %s --check-prefixes=CHECK32 |
| ; RUN: llc -mtriple=sparcv9 < %s | FileCheck %s --check-prefixes=CHECK64 |
| |
| define void @variable_alloca_with_overalignment(i32 %num) nounwind { |
| ; CHECK32-LABEL: variable_alloca_with_overalignment: |
| ; CHECK32: ! %bb.0: |
| ; CHECK32-NEXT: save %sp, -96, %sp |
| ; CHECK32-NEXT: add %sp, 80, %i1 |
| ; CHECK32-NEXT: and %i1, -64, %o0 |
| ; CHECK32-NEXT: add %o0, -96, %sp |
| ; CHECK32-NEXT: add %i0, 7, %i0 |
| ; CHECK32-NEXT: and %i0, -8, %i0 |
| ; CHECK32-NEXT: sub %sp, %i0, %i0 |
| ; CHECK32-NEXT: add %i0, -8, %sp |
| ; CHECK32-NEXT: call foo |
| ; CHECK32-NEXT: add %i0, 88, %o1 |
| ; CHECK32-NEXT: ret |
| ; CHECK32-NEXT: restore |
| ; |
| ; CHECK64-LABEL: variable_alloca_with_overalignment: |
| ; CHECK64: ! %bb.0: |
| ; CHECK64-NEXT: save %sp, -128, %sp |
| ; CHECK64-NEXT: add %sp, 2159, %i1 |
| ; CHECK64-NEXT: and %i1, -64, %o0 |
| ; CHECK64-NEXT: add %o0, -2175, %sp |
| ; CHECK64-NEXT: srl %i0, 0, %i0 |
| ; CHECK64-NEXT: add %i0, 15, %i0 |
| ; CHECK64-NEXT: sethi 4194303, %i1 |
| ; CHECK64-NEXT: or %i1, 1008, %i1 |
| ; CHECK64-NEXT: sethi 0, %i2 |
| ; CHECK64-NEXT: or %i2, 1, %i2 |
| ; CHECK64-NEXT: sllx %i2, 32, %i2 |
| ; CHECK64-NEXT: or %i2, %i1, %i1 |
| ; CHECK64-NEXT: and %i0, %i1, %i0 |
| ; CHECK64-NEXT: sub %sp, %i0, %i0 |
| ; CHECK64-NEXT: add %i0, 2175, %o1 |
| ; CHECK64-NEXT: mov %i0, %sp |
| ; CHECK64-NEXT: call foo |
| ; CHECK64-NEXT: add %sp, -48, %sp |
| ; CHECK64-NEXT: add %sp, 48, %sp |
| ; CHECK64-NEXT: ret |
| ; CHECK64-NEXT: restore |
| %aligned = alloca i32, align 64 |
| %var_size = alloca i8, i32 %num, align 4 |
| call void @foo(ptr %aligned, ptr %var_size) |
| ret void |
| } |
| |
| ;; Same but with the alloca itself overaligned |
| define void @variable_alloca_with_overalignment_2(i32 %num) nounwind { |
| ; CHECK32-LABEL: variable_alloca_with_overalignment_2: |
| ; CHECK32: ! %bb.0: |
| ; CHECK32-NEXT: save %sp, -96, %sp |
| ; CHECK32-NEXT: add %i0, 7, %i0 |
| ; CHECK32-NEXT: and %i0, -8, %i0 |
| ; CHECK32-NEXT: sub %sp, %i0, %i0 |
| ; CHECK32-NEXT: add %i0, 88, %i0 |
| ; CHECK32-NEXT: and %i0, -64, %o1 |
| ; CHECK32-NEXT: add %o1, -96, %sp |
| ; CHECK32-NEXT: call foo |
| ; CHECK32-NEXT: mov %g0, %o0 |
| ; CHECK32-NEXT: ret |
| ; CHECK32-NEXT: restore |
| ; |
| ; CHECK64-LABEL: variable_alloca_with_overalignment_2: |
| ; CHECK64: ! %bb.0: |
| ; CHECK64-NEXT: save %sp, -128, %sp |
| ; CHECK64-NEXT: srl %i0, 0, %i0 |
| ; CHECK64-NEXT: add %i0, 15, %i0 |
| ; CHECK64-NEXT: sethi 4194303, %i1 |
| ; CHECK64-NEXT: or %i1, 1008, %i1 |
| ; CHECK64-NEXT: sethi 0, %i2 |
| ; CHECK64-NEXT: or %i2, 1, %i2 |
| ; CHECK64-NEXT: sllx %i2, 32, %i2 |
| ; CHECK64-NEXT: or %i2, %i1, %i1 |
| ; CHECK64-NEXT: and %i0, %i1, %i0 |
| ; CHECK64-NEXT: sub %sp, %i0, %i0 |
| ; CHECK64-NEXT: add %i0, 2175, %i0 |
| ; CHECK64-NEXT: and %i0, -64, %o1 |
| ; CHECK64-NEXT: add %o1, -2175, %sp |
| ; CHECK64-NEXT: add %sp, -48, %sp |
| ; CHECK64-NEXT: call foo |
| ; CHECK64-NEXT: mov %g0, %o0 |
| ; CHECK64-NEXT: add %sp, 48, %sp |
| ; CHECK64-NEXT: ret |
| ; CHECK64-NEXT: restore |
| %var_size = alloca i8, i32 %num, align 64 |
| call void @foo(ptr null, ptr %var_size) |
| ret void |
| } |
| |
| declare void @foo(ptr, ptr); |
