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TheRock/compiler/amd-llvm/llvm/test/CodeGen/LoongArch/stack-clash-prologue.ll
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derek.holloway 7502bf64a4
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Flatten subprojects into a single base monorepo
2026-09-02 16:34:47 -07:00

715 lines
23 KiB
LLVM
Raw Blame History

; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
; RUN: llc -mtriple=loongarch64 -O2 < %s | FileCheck %s -check-prefix=LA64
; RUN: llc -mtriple=loongarch32 -O2 < %s | FileCheck %s -check-prefix=LA32
;; Tests copied from PowerPC.
;; Free probe
define i8 @f0() #0 {
;
; LA64-LABEL: f0:
; LA64: # %bb.0: # %entry
; LA64-NEXT: addi.d $sp, $sp, -80
; LA64-NEXT: .cfi_def_cfa_offset 80
; LA64-NEXT: ori $a0, $zero, 3
; LA64-NEXT: st.b $a0, $sp, 16
; LA64-NEXT: ld.b $a0, $sp, 16
; LA64-NEXT: addi.d $sp, $sp, 80
; LA64-NEXT: ret
;
; LA32-LABEL: f0:
; LA32: # %bb.0: # %entry
; LA32-NEXT: addi.w $sp, $sp, -64
; LA32-NEXT: .cfi_def_cfa_offset 64
; LA32-NEXT: ori $a0, $zero, 3
; LA32-NEXT: st.b $a0, $sp, 0
; LA32-NEXT: ld.b $a0, $sp, 0
; LA32-NEXT: addi.w $sp, $sp, 64
; LA32-NEXT: ret
entry:
%a = alloca i8, i64 64
%b = getelementptr inbounds i8, ptr %a, i64 63
store volatile i8 3, ptr %a
%c = load volatile i8, ptr %a
ret i8 %c
}
define i8 @f1() #0 {
;
; LA64-LABEL: f1:
; LA64: # %bb.0: # %entry
; LA64-NEXT: lu12i.w $a0, 1
; LA64-NEXT: sub.d $sp, $sp, $a0
; LA64-NEXT: st.d $zero, $sp, 0
; LA64-NEXT: .cfi_def_cfa_offset 4096
; LA64-NEXT: addi.d $sp, $sp, -16
; LA64-NEXT: .cfi_def_cfa_offset 4112
; LA64-NEXT: ori $a0, $zero, 3
; LA64-NEXT: st.b $a0, $sp, 16
; LA64-NEXT: ld.b $a0, $sp, 16
; LA64-NEXT: lu12i.w $a1, 1
; LA64-NEXT: ori $a1, $a1, 16
; LA64-NEXT: add.d $sp, $sp, $a1
; LA64-NEXT: ret
;
; LA32-LABEL: f1:
; LA32: # %bb.0: # %entry
; LA32-NEXT: lu12i.w $a0, 1
; LA32-NEXT: sub.w $sp, $sp, $a0
; LA32-NEXT: st.w $zero, $sp, 0
; LA32-NEXT: .cfi_def_cfa_offset 4096
; LA32-NEXT: addi.w $sp, $sp, -16
; LA32-NEXT: .cfi_def_cfa_offset 4112
; LA32-NEXT: ori $a0, $zero, 3
; LA32-NEXT: st.b $a0, $sp, 16
; LA32-NEXT: ld.b $a0, $sp, 16
; LA32-NEXT: lu12i.w $a1, 1
; LA32-NEXT: ori $a1, $a1, 16
; LA32-NEXT: add.w $sp, $sp, $a1
; LA32-NEXT: ret
entry:
%a = alloca i8, i64 4096
%b = getelementptr inbounds i8, ptr %a, i64 63
store volatile i8 3, ptr %a
%c = load volatile i8, ptr %a
ret i8 %c
}
define i8 @f2() #0 {
;
; LA64-LABEL: f2:
; LA64: # %bb.0: # %entry
; LA64-NEXT: lu12i.w $a0, 16
; LA64-NEXT: sub.d $t1, $sp, $a0
; LA64-NEXT: .cfi_def_cfa 13, 65536
; LA64-NEXT: lu12i.w $t2, 1
; LA64-NEXT: .LBB2_1: # %entry
; LA64-NEXT: # =>This Inner Loop Header: Depth=1
; LA64-NEXT: sub.d $sp, $sp, $t2
; LA64-NEXT: st.d $zero, $sp, 0
; LA64-NEXT: bne $sp, $t1, .LBB2_1
; LA64-NEXT: # %bb.2: # %entry
; LA64-NEXT: .cfi_def_cfa_register 3
; LA64-NEXT: addi.d $sp, $sp, -16
; LA64-NEXT: .cfi_def_cfa_offset 65552
; LA64-NEXT: ori $a0, $zero, 3
; LA64-NEXT: st.b $a0, $sp, 16
; LA64-NEXT: ld.b $a0, $sp, 16
; LA64-NEXT: lu12i.w $a1, 16
; LA64-NEXT: ori $a1, $a1, 16
; LA64-NEXT: add.d $sp, $sp, $a1
; LA64-NEXT: ret
;
; LA32-LABEL: f2:
; LA32: # %bb.0: # %entry
; LA32-NEXT: lu12i.w $a0, 16
; LA32-NEXT: sub.w $t1, $sp, $a0
; LA32-NEXT: .cfi_def_cfa 13, 65536
; LA32-NEXT: lu12i.w $t2, 1
; LA32-NEXT: .LBB2_1: # %entry
; LA32-NEXT: # =>This Inner Loop Header: Depth=1
; LA32-NEXT: sub.w $sp, $sp, $t2
; LA32-NEXT: st.w $zero, $sp, 0
; LA32-NEXT: bne $sp, $t1, .LBB2_1
; LA32-NEXT: # %bb.2: # %entry
; LA32-NEXT: .cfi_def_cfa_register 3
; LA32-NEXT: addi.w $sp, $sp, -16
; LA32-NEXT: .cfi_def_cfa_offset 65552
; LA32-NEXT: ori $a0, $zero, 3
; LA32-NEXT: st.b $a0, $sp, 16
; LA32-NEXT: ld.b $a0, $sp, 16
; LA32-NEXT: lu12i.w $a1, 16
; LA32-NEXT: ori $a1, $a1, 16
; LA32-NEXT: add.w $sp, $sp, $a1
; LA32-NEXT: ret
entry:
%a = alloca i8, i64 65536
%b = getelementptr inbounds i8, ptr %a, i64 63
store volatile i8 3, ptr %a
%c = load volatile i8, ptr %a
ret i8 %c
}
define i8 @f3() #0 "stack-probe-size"="32768" {
;
; LA64-LABEL: f3:
; LA64: # %bb.0: # %entry
; LA64-NEXT: lu12i.w $a0, 8
; LA64-NEXT: sub.d $sp, $sp, $a0
; LA64-NEXT: st.d $zero, $sp, 0
; LA64-NEXT: .cfi_def_cfa_offset 32768
; LA64-NEXT: lu12i.w $a0, 8
; LA64-NEXT: sub.d $sp, $sp, $a0
; LA64-NEXT: st.d $zero, $sp, 0
; LA64-NEXT: .cfi_def_cfa_offset 65536
; LA64-NEXT: addi.d $sp, $sp, -16
; LA64-NEXT: .cfi_def_cfa_offset 65552
; LA64-NEXT: ori $a0, $zero, 3
; LA64-NEXT: st.b $a0, $sp, 16
; LA64-NEXT: ld.b $a0, $sp, 16
; LA64-NEXT: lu12i.w $a1, 16
; LA64-NEXT: ori $a1, $a1, 16
; LA64-NEXT: add.d $sp, $sp, $a1
; LA64-NEXT: ret
;
; LA32-LABEL: f3:
; LA32: # %bb.0: # %entry
; LA32-NEXT: lu12i.w $a0, 8
; LA32-NEXT: sub.w $sp, $sp, $a0
; LA32-NEXT: st.w $zero, $sp, 0
; LA32-NEXT: .cfi_def_cfa_offset 32768
; LA32-NEXT: lu12i.w $a0, 8
; LA32-NEXT: sub.w $sp, $sp, $a0
; LA32-NEXT: st.w $zero, $sp, 0
; LA32-NEXT: .cfi_def_cfa_offset 65536
; LA32-NEXT: addi.w $sp, $sp, -16
; LA32-NEXT: .cfi_def_cfa_offset 65552
; LA32-NEXT: ori $a0, $zero, 3
; LA32-NEXT: st.b $a0, $sp, 16
; LA32-NEXT: ld.b $a0, $sp, 16
; LA32-NEXT: lu12i.w $a1, 16
; LA32-NEXT: ori $a1, $a1, 16
; LA32-NEXT: add.w $sp, $sp, $a1
; LA32-NEXT: ret
entry:
%a = alloca i8, i64 65536
%b = getelementptr inbounds i8, ptr %a, i64 63
store volatile i8 3, ptr %a
%c = load volatile i8, ptr %a
ret i8 %c
}
; Same as f2, but without protection.
define i8 @f4() {
;
; LA64-LABEL: f4:
; LA64: # %bb.0: # %entry
; LA64-NEXT: lu12i.w $a0, 16
; LA64-NEXT: ori $a0, $a0, 16
; LA64-NEXT: sub.d $sp, $sp, $a0
; LA64-NEXT: .cfi_def_cfa_offset 65552
; LA64-NEXT: ori $a0, $zero, 3
; LA64-NEXT: st.b $a0, $sp, 16
; LA64-NEXT: ld.b $a0, $sp, 16
; LA64-NEXT: lu12i.w $a1, 16
; LA64-NEXT: ori $a1, $a1, 16
; LA64-NEXT: add.d $sp, $sp, $a1
; LA64-NEXT: ret
;
; LA32-LABEL: f4:
; LA32: # %bb.0: # %entry
; LA32-NEXT: lu12i.w $a0, 16
; LA32-NEXT: ori $a0, $a0, 16
; LA32-NEXT: sub.w $sp, $sp, $a0
; LA32-NEXT: .cfi_def_cfa_offset 65552
; LA32-NEXT: ori $a0, $zero, 3
; LA32-NEXT: st.b $a0, $sp, 16
; LA32-NEXT: ld.b $a0, $sp, 16
; LA32-NEXT: lu12i.w $a1, 16
; LA32-NEXT: ori $a1, $a1, 16
; LA32-NEXT: add.w $sp, $sp, $a1
; LA32-NEXT: ret
entry:
%a = alloca i8, i64 65536
%b = getelementptr inbounds i8, ptr %a, i64 63
store volatile i8 3, ptr %a
%c = load volatile i8, ptr %a
ret i8 %c
}
define i8 @f5() #0 "stack-probe-size"="65536" {
;
; LA64-LABEL: f5:
; LA64: # %bb.0: # %entry
; LA64-NEXT: lu12i.w $a0, 256
; LA64-NEXT: sub.d $t1, $sp, $a0
; LA64-NEXT: .cfi_def_cfa 13, 1048576
; LA64-NEXT: lu12i.w $t2, 16
; LA64-NEXT: .LBB5_1: # %entry
; LA64-NEXT: # =>This Inner Loop Header: Depth=1
; LA64-NEXT: sub.d $sp, $sp, $t2
; LA64-NEXT: st.d $zero, $sp, 0
; LA64-NEXT: bne $sp, $t1, .LBB5_1
; LA64-NEXT: # %bb.2: # %entry
; LA64-NEXT: .cfi_def_cfa_register 3
; LA64-NEXT: addi.d $sp, $sp, -16
; LA64-NEXT: .cfi_def_cfa_offset 1048592
; LA64-NEXT: ori $a0, $zero, 3
; LA64-NEXT: st.b $a0, $sp, 16
; LA64-NEXT: ld.b $a0, $sp, 16
; LA64-NEXT: lu12i.w $a1, 256
; LA64-NEXT: ori $a1, $a1, 16
; LA64-NEXT: add.d $sp, $sp, $a1
; LA64-NEXT: ret
;
; LA32-LABEL: f5:
; LA32: # %bb.0: # %entry
; LA32-NEXT: lu12i.w $a0, 256
; LA32-NEXT: sub.w $t1, $sp, $a0
; LA32-NEXT: .cfi_def_cfa 13, 1048576
; LA32-NEXT: lu12i.w $t2, 16
; LA32-NEXT: .LBB5_1: # %entry
; LA32-NEXT: # =>This Inner Loop Header: Depth=1
; LA32-NEXT: sub.w $sp, $sp, $t2
; LA32-NEXT: st.w $zero, $sp, 0
; LA32-NEXT: bne $sp, $t1, .LBB5_1
; LA32-NEXT: # %bb.2: # %entry
; LA32-NEXT: .cfi_def_cfa_register 3
; LA32-NEXT: addi.w $sp, $sp, -16
; LA32-NEXT: .cfi_def_cfa_offset 1048592
; LA32-NEXT: ori $a0, $zero, 3
; LA32-NEXT: st.b $a0, $sp, 16
; LA32-NEXT: ld.b $a0, $sp, 16
; LA32-NEXT: lu12i.w $a1, 256
; LA32-NEXT: ori $a1, $a1, 16
; LA32-NEXT: add.w $sp, $sp, $a1
; LA32-NEXT: ret
entry:
%a = alloca i8, i64 1048576
%b = getelementptr inbounds i8, ptr %a, i64 63
store volatile i8 3, ptr %a
%c = load volatile i8, ptr %a
ret i8 %c
}
define i8 @f6() #0 {
;
; LA64-LABEL: f6:
; LA64: # %bb.0: # %entry
; LA64-NEXT: lu12i.w $a0, 262144
; LA64-NEXT: sub.d $t1, $sp, $a0
; LA64-NEXT: .cfi_def_cfa 13, 1073741824
; LA64-NEXT: lu12i.w $t2, 1
; LA64-NEXT: .LBB6_1: # %entry
; LA64-NEXT: # =>This Inner Loop Header: Depth=1
; LA64-NEXT: sub.d $sp, $sp, $t2
; LA64-NEXT: st.d $zero, $sp, 0
; LA64-NEXT: bne $sp, $t1, .LBB6_1
; LA64-NEXT: # %bb.2: # %entry
; LA64-NEXT: .cfi_def_cfa_register 3
; LA64-NEXT: addi.d $sp, $sp, -16
; LA64-NEXT: .cfi_def_cfa_offset 1073741840
; LA64-NEXT: ori $a0, $zero, 3
; LA64-NEXT: st.b $a0, $sp, 16
; LA64-NEXT: ld.b $a0, $sp, 16
; LA64-NEXT: lu12i.w $a1, 262144
; LA64-NEXT: ori $a1, $a1, 16
; LA64-NEXT: add.d $sp, $sp, $a1
; LA64-NEXT: ret
;
; LA32-LABEL: f6:
; LA32: # %bb.0: # %entry
; LA32-NEXT: lu12i.w $a0, 262144
; LA32-NEXT: sub.w $t1, $sp, $a0
; LA32-NEXT: .cfi_def_cfa 13, 1073741824
; LA32-NEXT: lu12i.w $t2, 1
; LA32-NEXT: .LBB6_1: # %entry
; LA32-NEXT: # =>This Inner Loop Header: Depth=1
; LA32-NEXT: sub.w $sp, $sp, $t2
; LA32-NEXT: st.w $zero, $sp, 0
; LA32-NEXT: bne $sp, $t1, .LBB6_1
; LA32-NEXT: # %bb.2: # %entry
; LA32-NEXT: .cfi_def_cfa_register 3
; LA32-NEXT: addi.w $sp, $sp, -16
; LA32-NEXT: .cfi_def_cfa_offset 1073741840
; LA32-NEXT: ori $a0, $zero, 3
; LA32-NEXT: st.b $a0, $sp, 16
; LA32-NEXT: ld.b $a0, $sp, 16
; LA32-NEXT: lu12i.w $a1, 262144
; LA32-NEXT: ori $a1, $a1, 16
; LA32-NEXT: add.w $sp, $sp, $a1
; LA32-NEXT: ret
entry:
%a = alloca i8, i64 1073741824
%b = getelementptr inbounds i8, ptr %a, i64 63
store volatile i8 3, ptr %a
%c = load volatile i8, ptr %a
ret i8 %c
}
define i8 @f7() #0 "stack-probe-size"="65536" {
;
; LA64-LABEL: f7:
; LA64: # %bb.0: # %entry
; LA64-NEXT: lu12i.w $a0, 244128
; LA64-NEXT: sub.d $t1, $sp, $a0
; LA64-NEXT: .cfi_def_cfa 13, 999948288
; LA64-NEXT: lu12i.w $t2, 16
; LA64-NEXT: .LBB7_1: # %entry
; LA64-NEXT: # =>This Inner Loop Header: Depth=1
; LA64-NEXT: sub.d $sp, $sp, $t2
; LA64-NEXT: st.d $zero, $sp, 0
; LA64-NEXT: bne $sp, $t1, .LBB7_1
; LA64-NEXT: # %bb.2: # %entry
; LA64-NEXT: .cfi_def_cfa_register 3
; LA64-NEXT: lu12i.w $a0, 12
; LA64-NEXT: ori $a0, $a0, 2576
; LA64-NEXT: sub.d $sp, $sp, $a0
; LA64-NEXT: .cfi_def_cfa_offset 1000000016
; LA64-NEXT: ori $a0, $zero, 3
; LA64-NEXT: st.b $a0, $sp, 9
; LA64-NEXT: ld.b $a0, $sp, 9
; LA64-NEXT: lu12i.w $a1, 244140
; LA64-NEXT: ori $a1, $a1, 2576
; LA64-NEXT: add.d $sp, $sp, $a1
; LA64-NEXT: ret
;
; LA32-LABEL: f7:
; LA32: # %bb.0: # %entry
; LA32-NEXT: lu12i.w $a0, 244128
; LA32-NEXT: sub.w $t1, $sp, $a0
; LA32-NEXT: .cfi_def_cfa 13, 999948288
; LA32-NEXT: lu12i.w $t2, 16
; LA32-NEXT: .LBB7_1: # %entry
; LA32-NEXT: # =>This Inner Loop Header: Depth=1
; LA32-NEXT: sub.w $sp, $sp, $t2
; LA32-NEXT: st.w $zero, $sp, 0
; LA32-NEXT: bne $sp, $t1, .LBB7_1
; LA32-NEXT: # %bb.2: # %entry
; LA32-NEXT: .cfi_def_cfa_register 3
; LA32-NEXT: lu12i.w $a0, 12
; LA32-NEXT: ori $a0, $a0, 2576
; LA32-NEXT: sub.w $sp, $sp, $a0
; LA32-NEXT: .cfi_def_cfa_offset 1000000016
; LA32-NEXT: ori $a0, $zero, 3
; LA32-NEXT: st.b $a0, $sp, 9
; LA32-NEXT: ld.b $a0, $sp, 9
; LA32-NEXT: lu12i.w $a1, 244140
; LA32-NEXT: ori $a1, $a1, 2576
; LA32-NEXT: add.w $sp, $sp, $a1
; LA32-NEXT: ret
entry:
%a = alloca i8, i64 1000000007
%b = getelementptr inbounds i8, ptr %a, i64 101
store volatile i8 3, ptr %a
%c = load volatile i8, ptr %a
ret i8 %c
}
; alloca + align < probe_size
define i32 @f8(i64 %i) local_unnamed_addr #0 {
;
; LA64-LABEL: f8:
; LA64: # %bb.0:
; LA64-NEXT: addi.d $sp, $sp, -896
; LA64-NEXT: .cfi_def_cfa_offset 896
; LA64-NEXT: st.d $ra, $sp, 888 # 8-byte Folded Spill
; LA64-NEXT: st.d $fp, $sp, 880 # 8-byte Folded Spill
; LA64-NEXT: .cfi_offset 1, -8
; LA64-NEXT: .cfi_offset 22, -16
; LA64-NEXT: addi.d $fp, $sp, 896
; LA64-NEXT: .cfi_def_cfa 22, 0
; LA64-NEXT: bstrins.d $sp, $zero, 5, 0
; LA64-NEXT: slli.d $a0, $a0, 2
; LA64-NEXT: addi.d $a1, $sp, 64
; LA64-NEXT: ori $a2, $zero, 1
; LA64-NEXT: stx.w $a2, $a0, $a1
; LA64-NEXT: ld.w $a0, $sp, 64
; LA64-NEXT: addi.d $sp, $fp, -896
; LA64-NEXT: ld.d $fp, $sp, 880 # 8-byte Folded Reload
; LA64-NEXT: ld.d $ra, $sp, 888 # 8-byte Folded Reload
; LA64-NEXT: addi.d $sp, $sp, 896
; LA64-NEXT: ret
;
; LA32-LABEL: f8:
; LA32: # %bb.0:
; LA32-NEXT: addi.w $sp, $sp, -832
; LA32-NEXT: .cfi_def_cfa_offset 832
; LA32-NEXT: st.w $ra, $sp, 828 # 4-byte Folded Spill
; LA32-NEXT: st.w $fp, $sp, 824 # 4-byte Folded Spill
; LA32-NEXT: .cfi_offset 1, -4
; LA32-NEXT: .cfi_offset 22, -8
; LA32-NEXT: addi.w $fp, $sp, 832
; LA32-NEXT: .cfi_def_cfa 22, 0
; LA32-NEXT: bstrins.w $sp, $zero, 5, 0
; LA32-NEXT: slli.w $a0, $a0, 2
; LA32-NEXT: addi.w $a1, $sp, 0
; LA32-NEXT: add.w $a0, $a1, $a0
; LA32-NEXT: ori $a1, $zero, 1
; LA32-NEXT: st.w $a1, $a0, 0
; LA32-NEXT: ld.w $a0, $sp, 0
; LA32-NEXT: addi.w $sp, $fp, -832
; LA32-NEXT: ld.w $fp, $sp, 824 # 4-byte Folded Reload
; LA32-NEXT: ld.w $ra, $sp, 828 # 4-byte Folded Reload
; LA32-NEXT: addi.w $sp, $sp, 832
; LA32-NEXT: ret
%a = alloca i32, i32 200, align 64
%b = getelementptr inbounds i32, ptr %a, i64 %i
store volatile i32 1, ptr %b
%c = load volatile i32, ptr %a
ret i32 %c
}
; alloca > probe_size, align > probe_size
define i32 @f9(i64 %i) local_unnamed_addr #0 {
;
; LA64-LABEL: f9:
; LA64: # %bb.0:
; LA64-NEXT: addi.d $sp, $sp, -2032
; LA64-NEXT: .cfi_def_cfa_offset 2032
; LA64-NEXT: st.d $ra, $sp, 2024 # 8-byte Folded Spill
; LA64-NEXT: st.d $fp, $sp, 2016 # 8-byte Folded Spill
; LA64-NEXT: .cfi_offset 1, -8
; LA64-NEXT: .cfi_offset 22, -16
; LA64-NEXT: addi.d $fp, $sp, 2032
; LA64-NEXT: .cfi_def_cfa 22, 0
; LA64-NEXT: lu12i.w $a1, 1
; LA64-NEXT: sub.d $sp, $sp, $a1
; LA64-NEXT: st.d $zero, $sp, 0
; LA64-NEXT: sub.d $sp, $sp, $a1
; LA64-NEXT: st.d $zero, $sp, 0
; LA64-NEXT: addi.d $sp, $sp, -16
; LA64-NEXT: bstrins.d $sp, $zero, 10, 0
; LA64-NEXT: slli.d $a0, $a0, 2
; LA64-NEXT: ori $a1, $zero, 2048
; LA64-NEXT: add.d $a1, $sp, $a1
; LA64-NEXT: ori $a2, $zero, 1
; LA64-NEXT: stx.w $a2, $a0, $a1
; LA64-NEXT: ori $a0, $zero, 2048
; LA64-NEXT: add.d $a0, $sp, $a0
; LA64-NEXT: ld.w $a0, $a0, 0
; LA64-NEXT: lu12i.w $a1, 2
; LA64-NEXT: ori $a1, $a1, 2048
; LA64-NEXT: sub.d $sp, $fp, $a1
; LA64-NEXT: lu12i.w $a1, 2
; LA64-NEXT: ori $a1, $a1, 16
; LA64-NEXT: add.d $sp, $sp, $a1
; LA64-NEXT: ld.d $fp, $sp, 2016 # 8-byte Folded Reload
; LA64-NEXT: ld.d $ra, $sp, 2024 # 8-byte Folded Reload
; LA64-NEXT: addi.d $sp, $sp, 2032
; LA64-NEXT: ret
;
; LA32-LABEL: f9:
; LA32: # %bb.0:
; LA32-NEXT: addi.w $sp, $sp, -2032
; LA32-NEXT: .cfi_def_cfa_offset 2032
; LA32-NEXT: st.w $ra, $sp, 2028 # 4-byte Folded Spill
; LA32-NEXT: st.w $fp, $sp, 2024 # 4-byte Folded Spill
; LA32-NEXT: .cfi_offset 1, -4
; LA32-NEXT: .cfi_offset 22, -8
; LA32-NEXT: addi.w $fp, $sp, 2032
; LA32-NEXT: .cfi_def_cfa 22, 0
; LA32-NEXT: lu12i.w $a1, 1
; LA32-NEXT: sub.w $sp, $sp, $a1
; LA32-NEXT: st.w $zero, $sp, 0
; LA32-NEXT: sub.w $sp, $sp, $a1
; LA32-NEXT: st.w $zero, $sp, 0
; LA32-NEXT: addi.w $sp, $sp, -16
; LA32-NEXT: bstrins.w $sp, $zero, 10, 0
; LA32-NEXT: slli.w $a0, $a0, 2
; LA32-NEXT: ori $a1, $zero, 2048
; LA32-NEXT: add.w $a1, $sp, $a1
; LA32-NEXT: add.w $a0, $a1, $a0
; LA32-NEXT: ori $a1, $zero, 1
; LA32-NEXT: st.w $a1, $a0, 0
; LA32-NEXT: ori $a0, $zero, 2048
; LA32-NEXT: add.w $a0, $sp, $a0
; LA32-NEXT: ld.w $a0, $a0, 0
; LA32-NEXT: lu12i.w $a1, 2
; LA32-NEXT: ori $a1, $a1, 2048
; LA32-NEXT: sub.w $sp, $fp, $a1
; LA32-NEXT: lu12i.w $a1, 2
; LA32-NEXT: ori $a1, $a1, 16
; LA32-NEXT: add.w $sp, $sp, $a1
; LA32-NEXT: ld.w $fp, $sp, 2024 # 4-byte Folded Reload
; LA32-NEXT: ld.w $ra, $sp, 2028 # 4-byte Folded Reload
; LA32-NEXT: addi.w $sp, $sp, 2032
; LA32-NEXT: ret
%a = alloca i32, i32 2000, align 2048
%b = getelementptr inbounds i32, ptr %a, i64 %i
store volatile i32 1, ptr %b
%c = load volatile i32, ptr %a
ret i32 %c
}
; alloca < probe_size, align < probe_size, alloca + align > probe_size
define i32 @f10(i64 %i) local_unnamed_addr #0 {
;
; LA64-LABEL: f10:
; LA64: # %bb.0:
; LA64-NEXT: addi.d $sp, $sp, -2032
; LA64-NEXT: .cfi_def_cfa_offset 2032
; LA64-NEXT: st.d $ra, $sp, 2024 # 8-byte Folded Spill
; LA64-NEXT: st.d $fp, $sp, 2016 # 8-byte Folded Spill
; LA64-NEXT: .cfi_offset 1, -8
; LA64-NEXT: .cfi_offset 22, -16
; LA64-NEXT: addi.d $fp, $sp, 2032
; LA64-NEXT: .cfi_def_cfa 22, 0
; LA64-NEXT: addi.d $sp, $sp, -2048
; LA64-NEXT: addi.d $sp, $sp, -1040
; LA64-NEXT: bstrins.d $sp, $zero, 9, 0
; LA64-NEXT: slli.d $a0, $a0, 2
; LA64-NEXT: addi.d $a1, $sp, 1024
; LA64-NEXT: ori $a2, $zero, 1
; LA64-NEXT: stx.w $a2, $a0, $a1
; LA64-NEXT: ld.w $a0, $sp, 1024
; LA64-NEXT: lu12i.w $a1, 1
; LA64-NEXT: ori $a1, $a1, 1024
; LA64-NEXT: sub.d $sp, $fp, $a1
; LA64-NEXT: addi.d $sp, $sp, 2032
; LA64-NEXT: addi.d $sp, $sp, 1056
; LA64-NEXT: ld.d $fp, $sp, 2016 # 8-byte Folded Reload
; LA64-NEXT: ld.d $ra, $sp, 2024 # 8-byte Folded Reload
; LA64-NEXT: addi.d $sp, $sp, 2032
; LA64-NEXT: ret
;
; LA32-LABEL: f10:
; LA32: # %bb.0:
; LA32-NEXT: addi.w $sp, $sp, -2032
; LA32-NEXT: .cfi_def_cfa_offset 2032
; LA32-NEXT: st.w $ra, $sp, 2028 # 4-byte Folded Spill
; LA32-NEXT: st.w $fp, $sp, 2024 # 4-byte Folded Spill
; LA32-NEXT: .cfi_offset 1, -4
; LA32-NEXT: .cfi_offset 22, -8
; LA32-NEXT: addi.w $fp, $sp, 2032
; LA32-NEXT: .cfi_def_cfa 22, 0
; LA32-NEXT: addi.w $sp, $sp, -2048
; LA32-NEXT: addi.w $sp, $sp, -1040
; LA32-NEXT: bstrins.w $sp, $zero, 9, 0
; LA32-NEXT: slli.w $a0, $a0, 2
; LA32-NEXT: addi.w $a1, $sp, 1024
; LA32-NEXT: add.w $a0, $a1, $a0
; LA32-NEXT: ori $a1, $zero, 1
; LA32-NEXT: st.w $a1, $a0, 0
; LA32-NEXT: ld.w $a0, $sp, 1024
; LA32-NEXT: lu12i.w $a1, 1
; LA32-NEXT: ori $a1, $a1, 1024
; LA32-NEXT: sub.w $sp, $fp, $a1
; LA32-NEXT: addi.w $sp, $sp, 2032
; LA32-NEXT: addi.w $sp, $sp, 1056
; LA32-NEXT: ld.w $fp, $sp, 2024 # 4-byte Folded Reload
; LA32-NEXT: ld.w $ra, $sp, 2028 # 4-byte Folded Reload
; LA32-NEXT: addi.w $sp, $sp, 2032
; LA32-NEXT: ret
%a = alloca i32, i32 1000, align 1024
%b = getelementptr inbounds i32, ptr %a, i64 %i
store volatile i32 1, ptr %b
%c = load volatile i32, ptr %a
ret i32 %c
}
define void @f11(i32 %vla_size, i64 %i) #0 {
;
; LA64-LABEL: f11:
; LA64: # %bb.0:
; LA64-NEXT: addi.d $sp, $sp, -2032
; LA64-NEXT: .cfi_def_cfa_offset 2032
; LA64-NEXT: st.d $zero, $sp, 0
; LA64-NEXT: st.d $ra, $sp, 2024 # 8-byte Folded Spill
; LA64-NEXT: st.d $fp, $sp, 2016 # 8-byte Folded Spill
; LA64-NEXT: st.d $s8, $sp, 2008 # 8-byte Folded Spill
; LA64-NEXT: .cfi_offset 1, -8
; LA64-NEXT: .cfi_offset 22, -16
; LA64-NEXT: .cfi_offset 31, -24
; LA64-NEXT: addi.d $fp, $sp, 2032
; LA64-NEXT: .cfi_def_cfa 22, 0
; LA64-NEXT: lu12i.w $a2, 15
; LA64-NEXT: sub.d $t1, $sp, $a2
; LA64-NEXT: lu12i.w $t2, 1
; LA64-NEXT: .LBB11_1: # =>This Inner Loop Header: Depth=1
; LA64-NEXT: sub.d $sp, $sp, $t2
; LA64-NEXT: st.d $zero, $sp, 0
; LA64-NEXT: bne $sp, $t1, .LBB11_1
; LA64-NEXT: # %bb.2:
; LA64-NEXT: addi.d $sp, $sp, -2048
; LA64-NEXT: addi.d $sp, $sp, -16
; LA64-NEXT: st.d $zero, $sp, 0
; LA64-NEXT: bstrins.d $sp, $zero, 14, 0
; LA64-NEXT: move $s8, $sp
; LA64-NEXT: slli.d $a1, $a1, 2
; LA64-NEXT: lu12i.w $a2, 8
; LA64-NEXT: add.d $a2, $s8, $a2
; LA64-NEXT: ori $a3, $zero, 1
; LA64-NEXT: stx.w $a3, $a1, $a2
; LA64-NEXT: bstrpick.d $a0, $a0, 31, 0
; LA64-NEXT: addi.d $a0, $a0, 15
; LA64-NEXT: bstrpick.d $a0, $a0, 32, 4
; LA64-NEXT: slli.d $a0, $a0, 4
; LA64-NEXT: sub.d $a0, $sp, $a0
; LA64-NEXT: bstrins.d $a0, $zero, 10, 0
; LA64-NEXT: lu12i.w $a1, 1
; LA64-NEXT: .LBB11_3: # =>This Inner Loop Header: Depth=1
; LA64-NEXT: sub.d $sp, $sp, $a1
; LA64-NEXT: st.d $zero, $sp, 0
; LA64-NEXT: bltu $a0, $sp, .LBB11_3
; LA64-NEXT: # %bb.4:
; LA64-NEXT: move $sp, $a0
; LA64-NEXT: ld.b $zero, $a0, 0
; LA64-NEXT: lu12i.w $a0, 16
; LA64-NEXT: sub.d $sp, $fp, $a0
; LA64-NEXT: lu12i.w $a0, 15
; LA64-NEXT: ori $a0, $a0, 2064
; LA64-NEXT: add.d $sp, $sp, $a0
; LA64-NEXT: ld.d $s8, $sp, 2008 # 8-byte Folded Reload
; LA64-NEXT: ld.d $fp, $sp, 2016 # 8-byte Folded Reload
; LA64-NEXT: ld.d $ra, $sp, 2024 # 8-byte Folded Reload
; LA64-NEXT: addi.d $sp, $sp, 2032
; LA64-NEXT: ret
;
; LA32-LABEL: f11:
; LA32: # %bb.0:
; LA32-NEXT: addi.w $sp, $sp, -2032
; LA32-NEXT: .cfi_def_cfa_offset 2032
; LA32-NEXT: st.w $zero, $sp, 0
; LA32-NEXT: st.w $ra, $sp, 2028 # 4-byte Folded Spill
; LA32-NEXT: st.w $fp, $sp, 2024 # 4-byte Folded Spill
; LA32-NEXT: st.w $s8, $sp, 2020 # 4-byte Folded Spill
; LA32-NEXT: .cfi_offset 1, -4
; LA32-NEXT: .cfi_offset 22, -8
; LA32-NEXT: .cfi_offset 31, -12
; LA32-NEXT: addi.w $fp, $sp, 2032
; LA32-NEXT: .cfi_def_cfa 22, 0
; LA32-NEXT: lu12i.w $a2, 15
; LA32-NEXT: sub.w $t1, $sp, $a2
; LA32-NEXT: lu12i.w $t2, 1
; LA32-NEXT: .LBB11_1: # =>This Inner Loop Header: Depth=1
; LA32-NEXT: sub.w $sp, $sp, $t2
; LA32-NEXT: st.w $zero, $sp, 0
; LA32-NEXT: bne $sp, $t1, .LBB11_1
; LA32-NEXT: # %bb.2:
; LA32-NEXT: addi.w $sp, $sp, -2048
; LA32-NEXT: addi.w $sp, $sp, -16
; LA32-NEXT: st.w $zero, $sp, 0
; LA32-NEXT: bstrins.w $sp, $zero, 14, 0
; LA32-NEXT: move $s8, $sp
; LA32-NEXT: slli.w $a1, $a1, 2
; LA32-NEXT: lu12i.w $a2, 8
; LA32-NEXT: add.w $a2, $s8, $a2
; LA32-NEXT: add.w $a1, $a2, $a1
; LA32-NEXT: ori $a2, $zero, 1
; LA32-NEXT: st.w $a2, $a1, 0
; LA32-NEXT: addi.w $a0, $a0, 15
; LA32-NEXT: addi.w $a1, $zero, -16
; LA32-NEXT: and $a0, $a0, $a1
; LA32-NEXT: sub.w $a0, $sp, $a0
; LA32-NEXT: addi.w $a1, $zero, -2048
; LA32-NEXT: and $a0, $a0, $a1
; LA32-NEXT: lu12i.w $a1, 1
; LA32-NEXT: .LBB11_3: # =>This Inner Loop Header: Depth=1
; LA32-NEXT: sub.w $sp, $sp, $a1
; LA32-NEXT: st.w $zero, $sp, 0
; LA32-NEXT: bltu $a0, $sp, .LBB11_3
; LA32-NEXT: # %bb.4:
; LA32-NEXT: move $sp, $a0
; LA32-NEXT: ld.b $zero, $a0, 0
; LA32-NEXT: lu12i.w $a0, 16
; LA32-NEXT: sub.w $sp, $fp, $a0
; LA32-NEXT: lu12i.w $a0, 15
; LA32-NEXT: ori $a0, $a0, 2064
; LA32-NEXT: add.w $sp, $sp, $a0
; LA32-NEXT: ld.w $s8, $sp, 2020 # 4-byte Folded Reload
; LA32-NEXT: ld.w $fp, $sp, 2024 # 4-byte Folded Reload
; LA32-NEXT: ld.w $ra, $sp, 2028 # 4-byte Folded Reload
; LA32-NEXT: addi.w $sp, $sp, 2032
; LA32-NEXT: ret
%a = alloca i32, i32 4096, align 32768
%b = getelementptr inbounds i32, ptr %a, i64 %i
store volatile i32 1, ptr %b
%1 = zext i32 %vla_size to i64
%vla = alloca i8, i64 %1, align 2048
%2 = load volatile i8, ptr %vla, align 2048
ret void
}
attributes #0 = { "probe-stack"="inline-asm" }
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