Files
clang-p2996/llvm/test/CodeGen/SystemZ/alloca-03.ll
Kai Nacke a1710eb3cd [SystemZ][NFC] Opaque pointer migration.
The LIT test cases were migrated with the script provided by
Nikita Popov.

No manual changes were made. Committed without review since
no functional changes, after consultation with uweigand.
2022-10-11 21:09:43 +00:00

128 lines
3.7 KiB
LLVM

; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
; RUN: llc < %s -mtriple=s390x-linux-gnu | FileCheck %s
; Allocate 8 bytes, no need to align stack.
define void @f0() {
; CHECK-LABEL: f0:
; CHECK: # %bb.0:
; CHECK-NEXT: aghi %r15, -168
; CHECK-NEXT: .cfi_def_cfa_offset 328
; CHECK-NEXT: mvghi 160(%r15), 10
; CHECK-NEXT: aghi %r15, 168
; CHECK-NEXT: br %r14
%x = alloca i64
store volatile i64 10, ptr %x
ret void
}
; Allocate ptr 8, no need to align stack.
define void @f1(i64 %len) {
; CHECK-LABEL: f1:
; CHECK: # %bb.0:
; CHECK-NEXT: stmg %r11, %r15, 88(%r15)
; CHECK-NEXT: .cfi_offset %r11, -72
; CHECK-NEXT: .cfi_offset %r15, -40
; CHECK-NEXT: aghi %r15, -160
; CHECK-NEXT: .cfi_def_cfa_offset 320
; CHECK-NEXT: lgr %r11, %r15
; CHECK-NEXT: .cfi_def_cfa_register %r11
; CHECK-NEXT: lgr %r1, %r15
; CHECK-NEXT: sllg %r0, %r2, 3
; CHECK-NEXT: sgr %r1, %r0
; CHECK-NEXT: la %r2, 160(%r1)
; CHECK-NEXT: lgr %r15, %r1
; CHECK-NEXT: mvghi 0(%r2), 10
; CHECK-NEXT: lmg %r11, %r15, 248(%r11)
; CHECK-NEXT: br %r14
%x = alloca i64, i64 %len
store volatile i64 10, ptr %x
ret void
}
; Static alloca, align 128.
define void @f2() {
; CHECK-LABEL: f2:
; CHECK: # %bb.0:
; CHECK-NEXT: stmg %r11, %r15, 88(%r15)
; CHECK-NEXT: .cfi_offset %r11, -72
; CHECK-NEXT: .cfi_offset %r15, -40
; CHECK-NEXT: aghi %r15, -160
; CHECK-NEXT: .cfi_def_cfa_offset 320
; CHECK-NEXT: lgr %r11, %r15
; CHECK-NEXT: .cfi_def_cfa_register %r11
; CHECK-NEXT: lgr %r1, %r15
; CHECK-NEXT: aghi %r1, -128
; CHECK-NEXT: la %r2, 280(%r1)
; CHECK-NEXT: nill %r2, 65408
; CHECK-NEXT: lgr %r15, %r1
; CHECK-NEXT: mvghi 0(%r2), 10
; CHECK-NEXT: lmg %r11, %r15, 248(%r11)
; CHECK-NEXT: br %r14
%x = alloca i64, i64 1, align 128
store volatile i64 10, ptr %x, align 128
ret void
}
; Dynamic alloca, align 128.
define void @f3(i64 %len) {
; CHECK-LABEL: f3:
; CHECK: # %bb.0:
; CHECK-NEXT: stmg %r11, %r15, 88(%r15)
; CHECK-NEXT: .cfi_offset %r11, -72
; CHECK-NEXT: .cfi_offset %r15, -40
; CHECK-NEXT: aghi %r15, -160
; CHECK-NEXT: .cfi_def_cfa_offset 320
; CHECK-NEXT: lgr %r11, %r15
; CHECK-NEXT: .cfi_def_cfa_register %r11
; CHECK-NEXT: lgr %r1, %r15
; CHECK-NEXT: sllg %r0, %r2, 3
; CHECK-NEXT: sgr %r1, %r0
; CHECK-NEXT: lay %r15, -120(%r1)
; CHECK-NEXT: la %r1, 160(%r1)
; CHECK-NEXT: nill %r1, 65408
; CHECK-NEXT: mvghi 0(%r1), 10
; CHECK-NEXT: lmg %r11, %r15, 248(%r11)
; CHECK-NEXT: br %r14
%x = alloca i64, i64 %len, align 128
store volatile i64 10, ptr %x, align 128
ret void
}
; Static alloca w/out alignment - part of frame.
define void @f4() {
; CHECK-LABEL: f4:
; CHECK: # %bb.0:
; CHECK-NEXT: aghi %r15, -168
; CHECK-NEXT: .cfi_def_cfa_offset 328
; CHECK-NEXT: mvhi 164(%r15), 10
; CHECK-NEXT: aghi %r15, 168
; CHECK-NEXT: br %r14
%x = alloca i32
store volatile i32 10, ptr %x
ret void
}
; Static alloca of one i32, aligned by 128.
define void @f5() {
; CHECK-LABEL: f5:
; CHECK: # %bb.0:
; CHECK-NEXT: stmg %r11, %r15, 88(%r15)
; CHECK-NEXT: .cfi_offset %r11, -72
; CHECK-NEXT: .cfi_offset %r15, -40
; CHECK-NEXT: aghi %r15, -160
; CHECK-NEXT: .cfi_def_cfa_offset 320
; CHECK-NEXT: lgr %r11, %r15
; CHECK-NEXT: .cfi_def_cfa_register %r11
; CHECK-NEXT: lgr %r1, %r15
; CHECK-NEXT: aghi %r1, -128
; CHECK-NEXT: la %r2, 280(%r1)
; CHECK-NEXT: nill %r2, 65408
; CHECK-NEXT: lgr %r15, %r1
; CHECK-NEXT: mvhi 0(%r2), 10
; CHECK-NEXT: lmg %r11, %r15, 248(%r11)
; CHECK-NEXT: br %r14
%x = alloca i32, i64 1, align 128
store volatile i32 10, ptr %x
ret void
}