; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py ; RUN: llc -mtriple=riscv64 -mattr=+m -O2 < %s \ ; RUN: | FileCheck %s -check-prefix=RV64I ; RUN: llc -mtriple=riscv32 -mattr=+m -O2 < %s \ ; RUN: | FileCheck %s -check-prefix=RV32I ; Tests copied from PowerPC. ; Free probe define i8 @f0() #0 { ; RV64I-LABEL: f0: ; RV64I: # %bb.0: # %entry ; RV64I-NEXT: addi sp, sp, -64 ; RV64I-NEXT: .cfi_def_cfa_offset 64 ; RV64I-NEXT: li a0, 3 ; RV64I-NEXT: sb a0, 0(sp) ; RV64I-NEXT: lbu a0, 0(sp) ; RV64I-NEXT: addi sp, sp, 64 ; RV64I-NEXT: .cfi_def_cfa_offset 0 ; RV64I-NEXT: ret ; ; RV32I-LABEL: f0: ; RV32I: # %bb.0: # %entry ; RV32I-NEXT: addi sp, sp, -64 ; RV32I-NEXT: .cfi_def_cfa_offset 64 ; RV32I-NEXT: li a0, 3 ; RV32I-NEXT: sb a0, 0(sp) ; RV32I-NEXT: lbu a0, 0(sp) ; RV32I-NEXT: addi sp, sp, 64 ; RV32I-NEXT: .cfi_def_cfa_offset 0 ; RV32I-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 { ; RV64I-LABEL: f1: ; RV64I: # %bb.0: # %entry ; RV64I-NEXT: lui a0, 1 ; RV64I-NEXT: sub sp, sp, a0 ; RV64I-NEXT: sd zero, 0(sp) ; RV64I-NEXT: .cfi_def_cfa_offset 4096 ; RV64I-NEXT: addi sp, sp, -16 ; RV64I-NEXT: .cfi_def_cfa_offset 4112 ; RV64I-NEXT: li a0, 3 ; RV64I-NEXT: sb a0, 16(sp) ; RV64I-NEXT: lbu a0, 16(sp) ; RV64I-NEXT: lui a1, 1 ; RV64I-NEXT: addi a1, a1, 16 ; RV64I-NEXT: add sp, sp, a1 ; RV64I-NEXT: .cfi_def_cfa_offset 0 ; RV64I-NEXT: ret ; ; RV32I-LABEL: f1: ; RV32I: # %bb.0: # %entry ; RV32I-NEXT: lui a0, 1 ; RV32I-NEXT: sub sp, sp, a0 ; RV32I-NEXT: sw zero, 0(sp) ; RV32I-NEXT: .cfi_def_cfa_offset 4096 ; RV32I-NEXT: addi sp, sp, -16 ; RV32I-NEXT: .cfi_def_cfa_offset 4112 ; RV32I-NEXT: li a0, 3 ; RV32I-NEXT: sb a0, 16(sp) ; RV32I-NEXT: lbu a0, 16(sp) ; RV32I-NEXT: lui a1, 1 ; RV32I-NEXT: addi a1, a1, 16 ; RV32I-NEXT: add sp, sp, a1 ; RV32I-NEXT: .cfi_def_cfa_offset 0 ; RV32I-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 { ; RV64I-LABEL: f2: ; RV64I: # %bb.0: # %entry ; RV64I-NEXT: lui a0, 16 ; RV64I-NEXT: sub t1, sp, a0 ; RV64I-NEXT: .cfi_def_cfa t1, 65536 ; RV64I-NEXT: lui t2, 1 ; RV64I-NEXT: .LBB2_1: # %entry ; RV64I-NEXT: # =>This Inner Loop Header: Depth=1 ; RV64I-NEXT: sub sp, sp, t2 ; RV64I-NEXT: sd zero, 0(sp) ; RV64I-NEXT: bne sp, t1, .LBB2_1 ; RV64I-NEXT: # %bb.2: # %entry ; RV64I-NEXT: .cfi_def_cfa_register sp ; RV64I-NEXT: addi sp, sp, -16 ; RV64I-NEXT: .cfi_def_cfa_offset 65552 ; RV64I-NEXT: li a0, 3 ; RV64I-NEXT: sb a0, 16(sp) ; RV64I-NEXT: lbu a0, 16(sp) ; RV64I-NEXT: lui a1, 16 ; RV64I-NEXT: addi a1, a1, 16 ; RV64I-NEXT: add sp, sp, a1 ; RV64I-NEXT: .cfi_def_cfa_offset 0 ; RV64I-NEXT: ret ; ; RV32I-LABEL: f2: ; RV32I: # %bb.0: # %entry ; RV32I-NEXT: lui a0, 16 ; RV32I-NEXT: sub t1, sp, a0 ; RV32I-NEXT: .cfi_def_cfa t1, 65536 ; RV32I-NEXT: lui t2, 1 ; RV32I-NEXT: .LBB2_1: # %entry ; RV32I-NEXT: # =>This Inner Loop Header: Depth=1 ; RV32I-NEXT: sub sp, sp, t2 ; RV32I-NEXT: sw zero, 0(sp) ; RV32I-NEXT: bne sp, t1, .LBB2_1 ; RV32I-NEXT: # %bb.2: # %entry ; RV32I-NEXT: .cfi_def_cfa_register sp ; RV32I-NEXT: addi sp, sp, -16 ; RV32I-NEXT: .cfi_def_cfa_offset 65552 ; RV32I-NEXT: li a0, 3 ; RV32I-NEXT: sb a0, 16(sp) ; RV32I-NEXT: lbu a0, 16(sp) ; RV32I-NEXT: lui a1, 16 ; RV32I-NEXT: addi a1, a1, 16 ; RV32I-NEXT: add sp, sp, a1 ; RV32I-NEXT: .cfi_def_cfa_offset 0 ; RV32I-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" { ; RV64I-LABEL: f3: ; RV64I: # %bb.0: # %entry ; RV64I-NEXT: lui a0, 8 ; RV64I-NEXT: sub sp, sp, a0 ; RV64I-NEXT: sd zero, 0(sp) ; RV64I-NEXT: .cfi_def_cfa_offset 32768 ; RV64I-NEXT: lui a0, 8 ; RV64I-NEXT: sub sp, sp, a0 ; RV64I-NEXT: sd zero, 0(sp) ; RV64I-NEXT: .cfi_def_cfa_offset 65536 ; RV64I-NEXT: addi sp, sp, -16 ; RV64I-NEXT: .cfi_def_cfa_offset 65552 ; RV64I-NEXT: li a0, 3 ; RV64I-NEXT: sb a0, 16(sp) ; RV64I-NEXT: lbu a0, 16(sp) ; RV64I-NEXT: lui a1, 16 ; RV64I-NEXT: addi a1, a1, 16 ; RV64I-NEXT: add sp, sp, a1 ; RV64I-NEXT: .cfi_def_cfa_offset 0 ; RV64I-NEXT: ret ; ; RV32I-LABEL: f3: ; RV32I: # %bb.0: # %entry ; RV32I-NEXT: lui a0, 8 ; RV32I-NEXT: sub sp, sp, a0 ; RV32I-NEXT: sw zero, 0(sp) ; RV32I-NEXT: .cfi_def_cfa_offset 32768 ; RV32I-NEXT: lui a0, 8 ; RV32I-NEXT: sub sp, sp, a0 ; RV32I-NEXT: sw zero, 0(sp) ; RV32I-NEXT: .cfi_def_cfa_offset 65536 ; RV32I-NEXT: addi sp, sp, -16 ; RV32I-NEXT: .cfi_def_cfa_offset 65552 ; RV32I-NEXT: li a0, 3 ; RV32I-NEXT: sb a0, 16(sp) ; RV32I-NEXT: lbu a0, 16(sp) ; RV32I-NEXT: lui a1, 16 ; RV32I-NEXT: addi a1, a1, 16 ; RV32I-NEXT: add sp, sp, a1 ; RV32I-NEXT: .cfi_def_cfa_offset 0 ; RV32I-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() { ; RV64I-LABEL: f4: ; RV64I: # %bb.0: # %entry ; RV64I-NEXT: lui a0, 16 ; RV64I-NEXT: addi a0, a0, 16 ; RV64I-NEXT: sub sp, sp, a0 ; RV64I-NEXT: .cfi_def_cfa_offset 65552 ; RV64I-NEXT: li a0, 3 ; RV64I-NEXT: sb a0, 16(sp) ; RV64I-NEXT: lbu a0, 16(sp) ; RV64I-NEXT: lui a1, 16 ; RV64I-NEXT: addi a1, a1, 16 ; RV64I-NEXT: add sp, sp, a1 ; RV64I-NEXT: .cfi_def_cfa_offset 0 ; RV64I-NEXT: ret ; ; RV32I-LABEL: f4: ; RV32I: # %bb.0: # %entry ; RV32I-NEXT: lui a0, 16 ; RV32I-NEXT: addi a0, a0, 16 ; RV32I-NEXT: sub sp, sp, a0 ; RV32I-NEXT: .cfi_def_cfa_offset 65552 ; RV32I-NEXT: li a0, 3 ; RV32I-NEXT: sb a0, 16(sp) ; RV32I-NEXT: lbu a0, 16(sp) ; RV32I-NEXT: lui a1, 16 ; RV32I-NEXT: addi a1, a1, 16 ; RV32I-NEXT: add sp, sp, a1 ; RV32I-NEXT: .cfi_def_cfa_offset 0 ; RV32I-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" { ; RV64I-LABEL: f5: ; RV64I: # %bb.0: # %entry ; RV64I-NEXT: lui a0, 256 ; RV64I-NEXT: sub t1, sp, a0 ; RV64I-NEXT: .cfi_def_cfa t1, 1048576 ; RV64I-NEXT: lui t2, 16 ; RV64I-NEXT: .LBB5_1: # %entry ; RV64I-NEXT: # =>This Inner Loop Header: Depth=1 ; RV64I-NEXT: sub sp, sp, t2 ; RV64I-NEXT: sd zero, 0(sp) ; RV64I-NEXT: bne sp, t1, .LBB5_1 ; RV64I-NEXT: # %bb.2: # %entry ; RV64I-NEXT: .cfi_def_cfa_register sp ; RV64I-NEXT: addi sp, sp, -16 ; RV64I-NEXT: .cfi_def_cfa_offset 1048592 ; RV64I-NEXT: li a0, 3 ; RV64I-NEXT: sb a0, 16(sp) ; RV64I-NEXT: lbu a0, 16(sp) ; RV64I-NEXT: lui a1, 256 ; RV64I-NEXT: addi a1, a1, 16 ; RV64I-NEXT: add sp, sp, a1 ; RV64I-NEXT: .cfi_def_cfa_offset 0 ; RV64I-NEXT: ret ; ; RV32I-LABEL: f5: ; RV32I: # %bb.0: # %entry ; RV32I-NEXT: lui a0, 256 ; RV32I-NEXT: sub t1, sp, a0 ; RV32I-NEXT: .cfi_def_cfa t1, 1048576 ; RV32I-NEXT: lui t2, 16 ; RV32I-NEXT: .LBB5_1: # %entry ; RV32I-NEXT: # =>This Inner Loop Header: Depth=1 ; RV32I-NEXT: sub sp, sp, t2 ; RV32I-NEXT: sw zero, 0(sp) ; RV32I-NEXT: bne sp, t1, .LBB5_1 ; RV32I-NEXT: # %bb.2: # %entry ; RV32I-NEXT: .cfi_def_cfa_register sp ; RV32I-NEXT: addi sp, sp, -16 ; RV32I-NEXT: .cfi_def_cfa_offset 1048592 ; RV32I-NEXT: li a0, 3 ; RV32I-NEXT: sb a0, 16(sp) ; RV32I-NEXT: lbu a0, 16(sp) ; RV32I-NEXT: lui a1, 256 ; RV32I-NEXT: addi a1, a1, 16 ; RV32I-NEXT: add sp, sp, a1 ; RV32I-NEXT: .cfi_def_cfa_offset 0 ; RV32I-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 { ; RV64I-LABEL: f6: ; RV64I: # %bb.0: # %entry ; RV64I-NEXT: lui a0, 262144 ; RV64I-NEXT: sub t1, sp, a0 ; RV64I-NEXT: .cfi_def_cfa t1, 1073741824 ; RV64I-NEXT: lui t2, 1 ; RV64I-NEXT: .LBB6_1: # %entry ; RV64I-NEXT: # =>This Inner Loop Header: Depth=1 ; RV64I-NEXT: sub sp, sp, t2 ; RV64I-NEXT: sd zero, 0(sp) ; RV64I-NEXT: bne sp, t1, .LBB6_1 ; RV64I-NEXT: # %bb.2: # %entry ; RV64I-NEXT: .cfi_def_cfa_register sp ; RV64I-NEXT: addi sp, sp, -16 ; RV64I-NEXT: .cfi_def_cfa_offset 1073741840 ; RV64I-NEXT: li a0, 3 ; RV64I-NEXT: sb a0, 16(sp) ; RV64I-NEXT: lbu a0, 16(sp) ; RV64I-NEXT: lui a1, 262144 ; RV64I-NEXT: addi a1, a1, 16 ; RV64I-NEXT: add sp, sp, a1 ; RV64I-NEXT: .cfi_def_cfa_offset 0 ; RV64I-NEXT: ret ; ; RV32I-LABEL: f6: ; RV32I: # %bb.0: # %entry ; RV32I-NEXT: lui a0, 262144 ; RV32I-NEXT: sub t1, sp, a0 ; RV32I-NEXT: .cfi_def_cfa t1, 1073741824 ; RV32I-NEXT: lui t2, 1 ; RV32I-NEXT: .LBB6_1: # %entry ; RV32I-NEXT: # =>This Inner Loop Header: Depth=1 ; RV32I-NEXT: sub sp, sp, t2 ; RV32I-NEXT: sw zero, 0(sp) ; RV32I-NEXT: bne sp, t1, .LBB6_1 ; RV32I-NEXT: # %bb.2: # %entry ; RV32I-NEXT: .cfi_def_cfa_register sp ; RV32I-NEXT: addi sp, sp, -16 ; RV32I-NEXT: .cfi_def_cfa_offset 1073741840 ; RV32I-NEXT: li a0, 3 ; RV32I-NEXT: sb a0, 16(sp) ; RV32I-NEXT: lbu a0, 16(sp) ; RV32I-NEXT: lui a1, 262144 ; RV32I-NEXT: addi a1, a1, 16 ; RV32I-NEXT: add sp, sp, a1 ; RV32I-NEXT: .cfi_def_cfa_offset 0 ; RV32I-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" { ; RV64I-LABEL: f7: ; RV64I: # %bb.0: # %entry ; RV64I-NEXT: lui a0, 244128 ; RV64I-NEXT: sub t1, sp, a0 ; RV64I-NEXT: .cfi_def_cfa t1, 999948288 ; RV64I-NEXT: lui t2, 16 ; RV64I-NEXT: .LBB7_1: # %entry ; RV64I-NEXT: # =>This Inner Loop Header: Depth=1 ; RV64I-NEXT: sub sp, sp, t2 ; RV64I-NEXT: sd zero, 0(sp) ; RV64I-NEXT: bne sp, t1, .LBB7_1 ; RV64I-NEXT: # %bb.2: # %entry ; RV64I-NEXT: .cfi_def_cfa_register sp ; RV64I-NEXT: lui a0, 13 ; RV64I-NEXT: addi a0, a0, -1520 ; RV64I-NEXT: sub sp, sp, a0 ; RV64I-NEXT: .cfi_def_cfa_offset 1000000016 ; RV64I-NEXT: li a0, 3 ; RV64I-NEXT: sb a0, 9(sp) ; RV64I-NEXT: lbu a0, 9(sp) ; RV64I-NEXT: lui a1, 244141 ; RV64I-NEXT: addi a1, a1, -1520 ; RV64I-NEXT: add sp, sp, a1 ; RV64I-NEXT: .cfi_def_cfa_offset 0 ; RV64I-NEXT: ret ; ; RV32I-LABEL: f7: ; RV32I: # %bb.0: # %entry ; RV32I-NEXT: lui a0, 244128 ; RV32I-NEXT: sub t1, sp, a0 ; RV32I-NEXT: .cfi_def_cfa t1, 999948288 ; RV32I-NEXT: lui t2, 16 ; RV32I-NEXT: .LBB7_1: # %entry ; RV32I-NEXT: # =>This Inner Loop Header: Depth=1 ; RV32I-NEXT: sub sp, sp, t2 ; RV32I-NEXT: sw zero, 0(sp) ; RV32I-NEXT: bne sp, t1, .LBB7_1 ; RV32I-NEXT: # %bb.2: # %entry ; RV32I-NEXT: .cfi_def_cfa_register sp ; RV32I-NEXT: lui a0, 13 ; RV32I-NEXT: addi a0, a0, -1520 ; RV32I-NEXT: sub sp, sp, a0 ; RV32I-NEXT: .cfi_def_cfa_offset 1000000016 ; RV32I-NEXT: li a0, 3 ; RV32I-NEXT: sb a0, 9(sp) ; RV32I-NEXT: lbu a0, 9(sp) ; RV32I-NEXT: lui a1, 244141 ; RV32I-NEXT: addi a1, a1, -1520 ; RV32I-NEXT: add sp, sp, a1 ; RV32I-NEXT: .cfi_def_cfa_offset 0 ; RV32I-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 { ; RV64I-LABEL: f8: ; RV64I: # %bb.0: ; RV64I-NEXT: addi sp, sp, -832 ; RV64I-NEXT: .cfi_def_cfa_offset 832 ; RV64I-NEXT: sd ra, 824(sp) # 8-byte Folded Spill ; RV64I-NEXT: sd s0, 816(sp) # 8-byte Folded Spill ; RV64I-NEXT: .cfi_offset ra, -8 ; RV64I-NEXT: .cfi_offset s0, -16 ; RV64I-NEXT: addi s0, sp, 832 ; RV64I-NEXT: .cfi_def_cfa s0, 0 ; RV64I-NEXT: andi sp, sp, -64 ; RV64I-NEXT: slli a0, a0, 2 ; RV64I-NEXT: mv a1, sp ; RV64I-NEXT: add a0, a1, a0 ; RV64I-NEXT: li a1, 1 ; RV64I-NEXT: sw a1, 0(a0) ; RV64I-NEXT: lw a0, 0(sp) ; RV64I-NEXT: addi sp, s0, -832 ; RV64I-NEXT: .cfi_def_cfa sp, 832 ; RV64I-NEXT: ld ra, 824(sp) # 8-byte Folded Reload ; RV64I-NEXT: ld s0, 816(sp) # 8-byte Folded Reload ; RV64I-NEXT: .cfi_restore ra ; RV64I-NEXT: .cfi_restore s0 ; RV64I-NEXT: addi sp, sp, 832 ; RV64I-NEXT: .cfi_def_cfa_offset 0 ; RV64I-NEXT: ret ; ; RV32I-LABEL: f8: ; RV32I: # %bb.0: ; RV32I-NEXT: addi sp, sp, -832 ; RV32I-NEXT: .cfi_def_cfa_offset 832 ; RV32I-NEXT: sw ra, 828(sp) # 4-byte Folded Spill ; RV32I-NEXT: sw s0, 824(sp) # 4-byte Folded Spill ; RV32I-NEXT: .cfi_offset ra, -4 ; RV32I-NEXT: .cfi_offset s0, -8 ; RV32I-NEXT: addi s0, sp, 832 ; RV32I-NEXT: .cfi_def_cfa s0, 0 ; RV32I-NEXT: andi sp, sp, -64 ; RV32I-NEXT: slli a0, a0, 2 ; RV32I-NEXT: mv a1, sp ; RV32I-NEXT: add a0, a1, a0 ; RV32I-NEXT: li a1, 1 ; RV32I-NEXT: sw a1, 0(a0) ; RV32I-NEXT: lw a0, 0(sp) ; RV32I-NEXT: addi sp, s0, -832 ; RV32I-NEXT: .cfi_def_cfa sp, 832 ; RV32I-NEXT: lw ra, 828(sp) # 4-byte Folded Reload ; RV32I-NEXT: lw s0, 824(sp) # 4-byte Folded Reload ; RV32I-NEXT: .cfi_restore ra ; RV32I-NEXT: .cfi_restore s0 ; RV32I-NEXT: addi sp, sp, 832 ; RV32I-NEXT: .cfi_def_cfa_offset 0 ; RV32I-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 { ; RV64I-LABEL: f9: ; RV64I: # %bb.0: ; RV64I-NEXT: addi sp, sp, -2032 ; RV64I-NEXT: .cfi_def_cfa_offset 2032 ; RV64I-NEXT: sd ra, 2024(sp) # 8-byte Folded Spill ; RV64I-NEXT: sd s0, 2016(sp) # 8-byte Folded Spill ; RV64I-NEXT: .cfi_offset ra, -8 ; RV64I-NEXT: .cfi_offset s0, -16 ; RV64I-NEXT: addi s0, sp, 2032 ; RV64I-NEXT: .cfi_def_cfa s0, 0 ; RV64I-NEXT: lui a1, 1 ; RV64I-NEXT: sub sp, sp, a1 ; RV64I-NEXT: sd zero, 0(sp) ; RV64I-NEXT: sub sp, sp, a1 ; RV64I-NEXT: sd zero, 0(sp) ; RV64I-NEXT: addi sp, sp, -16 ; RV64I-NEXT: andi sp, sp, -2048 ; RV64I-NEXT: slli a0, a0, 2 ; RV64I-NEXT: addi a1, sp, 2047 ; RV64I-NEXT: addi a1, a1, 1 ; RV64I-NEXT: add a0, a1, a0 ; RV64I-NEXT: li a1, 1 ; RV64I-NEXT: sw a1, 0(a0) ; RV64I-NEXT: lui a0, 1 ; RV64I-NEXT: add a0, sp, a0 ; RV64I-NEXT: lw a0, -2048(a0) ; RV64I-NEXT: addi sp, s0, -2032 ; RV64I-NEXT: .cfi_def_cfa sp, 2032 ; RV64I-NEXT: ld ra, 2024(sp) # 8-byte Folded Reload ; RV64I-NEXT: ld s0, 2016(sp) # 8-byte Folded Reload ; RV64I-NEXT: .cfi_restore ra ; RV64I-NEXT: .cfi_restore s0 ; RV64I-NEXT: addi sp, sp, 2032 ; RV64I-NEXT: .cfi_def_cfa_offset 0 ; RV64I-NEXT: ret ; ; RV32I-LABEL: f9: ; RV32I: # %bb.0: ; RV32I-NEXT: addi sp, sp, -2032 ; RV32I-NEXT: .cfi_def_cfa_offset 2032 ; RV32I-NEXT: sw ra, 2028(sp) # 4-byte Folded Spill ; RV32I-NEXT: sw s0, 2024(sp) # 4-byte Folded Spill ; RV32I-NEXT: .cfi_offset ra, -4 ; RV32I-NEXT: .cfi_offset s0, -8 ; RV32I-NEXT: addi s0, sp, 2032 ; RV32I-NEXT: .cfi_def_cfa s0, 0 ; RV32I-NEXT: lui a1, 1 ; RV32I-NEXT: sub sp, sp, a1 ; RV32I-NEXT: sw zero, 0(sp) ; RV32I-NEXT: sub sp, sp, a1 ; RV32I-NEXT: sw zero, 0(sp) ; RV32I-NEXT: addi sp, sp, -16 ; RV32I-NEXT: andi sp, sp, -2048 ; RV32I-NEXT: slli a0, a0, 2 ; RV32I-NEXT: addi a1, sp, 2047 ; RV32I-NEXT: addi a1, a1, 1 ; RV32I-NEXT: add a0, a1, a0 ; RV32I-NEXT: li a1, 1 ; RV32I-NEXT: sw a1, 0(a0) ; RV32I-NEXT: lui a0, 1 ; RV32I-NEXT: add a0, sp, a0 ; RV32I-NEXT: lw a0, -2048(a0) ; RV32I-NEXT: addi sp, s0, -2032 ; RV32I-NEXT: .cfi_def_cfa sp, 2032 ; RV32I-NEXT: lw ra, 2028(sp) # 4-byte Folded Reload ; RV32I-NEXT: lw s0, 2024(sp) # 4-byte Folded Reload ; RV32I-NEXT: .cfi_restore ra ; RV32I-NEXT: .cfi_restore s0 ; RV32I-NEXT: addi sp, sp, 2032 ; RV32I-NEXT: .cfi_def_cfa_offset 0 ; RV32I-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 { ; RV64I-LABEL: f10: ; RV64I: # %bb.0: ; RV64I-NEXT: addi sp, sp, -2032 ; RV64I-NEXT: .cfi_def_cfa_offset 2032 ; RV64I-NEXT: sd ra, 2024(sp) # 8-byte Folded Spill ; RV64I-NEXT: sd s0, 2016(sp) # 8-byte Folded Spill ; RV64I-NEXT: .cfi_offset ra, -8 ; RV64I-NEXT: .cfi_offset s0, -16 ; RV64I-NEXT: addi s0, sp, 2032 ; RV64I-NEXT: .cfi_def_cfa s0, 0 ; RV64I-NEXT: addi sp, sp, -2048 ; RV64I-NEXT: addi sp, sp, -1040 ; RV64I-NEXT: andi sp, sp, -1024 ; RV64I-NEXT: sd zero, 0(sp) ; RV64I-NEXT: slli a0, a0, 2 ; RV64I-NEXT: addi a1, sp, 1024 ; RV64I-NEXT: add a0, a1, a0 ; RV64I-NEXT: li a1, 1 ; RV64I-NEXT: sw a1, 0(a0) ; RV64I-NEXT: lw a0, 1024(sp) ; RV64I-NEXT: addi sp, s0, -2032 ; RV64I-NEXT: .cfi_def_cfa sp, 2032 ; RV64I-NEXT: ld ra, 2024(sp) # 8-byte Folded Reload ; RV64I-NEXT: ld s0, 2016(sp) # 8-byte Folded Reload ; RV64I-NEXT: .cfi_restore ra ; RV64I-NEXT: .cfi_restore s0 ; RV64I-NEXT: addi sp, sp, 2032 ; RV64I-NEXT: .cfi_def_cfa_offset 0 ; RV64I-NEXT: ret ; ; RV32I-LABEL: f10: ; RV32I: # %bb.0: ; RV32I-NEXT: addi sp, sp, -2032 ; RV32I-NEXT: .cfi_def_cfa_offset 2032 ; RV32I-NEXT: sw ra, 2028(sp) # 4-byte Folded Spill ; RV32I-NEXT: sw s0, 2024(sp) # 4-byte Folded Spill ; RV32I-NEXT: .cfi_offset ra, -4 ; RV32I-NEXT: .cfi_offset s0, -8 ; RV32I-NEXT: addi s0, sp, 2032 ; RV32I-NEXT: .cfi_def_cfa s0, 0 ; RV32I-NEXT: addi sp, sp, -2048 ; RV32I-NEXT: addi sp, sp, -1040 ; RV32I-NEXT: andi sp, sp, -1024 ; RV32I-NEXT: sw zero, 0(sp) ; RV32I-NEXT: slli a0, a0, 2 ; RV32I-NEXT: addi a1, sp, 1024 ; RV32I-NEXT: add a0, a1, a0 ; RV32I-NEXT: li a1, 1 ; RV32I-NEXT: sw a1, 0(a0) ; RV32I-NEXT: lw a0, 1024(sp) ; RV32I-NEXT: addi sp, s0, -2032 ; RV32I-NEXT: .cfi_def_cfa sp, 2032 ; RV32I-NEXT: lw ra, 2028(sp) # 4-byte Folded Reload ; RV32I-NEXT: lw s0, 2024(sp) # 4-byte Folded Reload ; RV32I-NEXT: .cfi_restore ra ; RV32I-NEXT: .cfi_restore s0 ; RV32I-NEXT: addi sp, sp, 2032 ; RV32I-NEXT: .cfi_def_cfa_offset 0 ; RV32I-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 { ; RV64I-LABEL: f11: ; RV64I: # %bb.0: ; RV64I-NEXT: addi sp, sp, -2032 ; RV64I-NEXT: .cfi_def_cfa_offset 2032 ; RV64I-NEXT: sd zero, 0(sp) ; RV64I-NEXT: sd ra, 2024(sp) # 8-byte Folded Spill ; RV64I-NEXT: sd s0, 2016(sp) # 8-byte Folded Spill ; RV64I-NEXT: sd s1, 2008(sp) # 8-byte Folded Spill ; RV64I-NEXT: .cfi_offset ra, -8 ; RV64I-NEXT: .cfi_offset s0, -16 ; RV64I-NEXT: .cfi_offset s1, -24 ; RV64I-NEXT: addi s0, sp, 2032 ; RV64I-NEXT: .cfi_def_cfa s0, 0 ; RV64I-NEXT: lui a2, 15 ; RV64I-NEXT: sub t1, sp, a2 ; RV64I-NEXT: lui t2, 1 ; RV64I-NEXT: .LBB11_1: # =>This Inner Loop Header: Depth=1 ; RV64I-NEXT: sub sp, sp, t2 ; RV64I-NEXT: sd zero, 0(sp) ; RV64I-NEXT: bne sp, t1, .LBB11_1 ; RV64I-NEXT: # %bb.2: ; RV64I-NEXT: addi sp, sp, -2048 ; RV64I-NEXT: addi sp, sp, -16 ; RV64I-NEXT: sd zero, 0(sp) ; RV64I-NEXT: srli a2, sp, 15 ; RV64I-NEXT: slli sp, a2, 15 ; RV64I-NEXT: mv s1, sp ; RV64I-NEXT: slli a1, a1, 2 ; RV64I-NEXT: lui a2, 8 ; RV64I-NEXT: add a2, s1, a2 ; RV64I-NEXT: add a1, a2, a1 ; RV64I-NEXT: li a2, 1 ; RV64I-NEXT: slli a0, a0, 32 ; RV64I-NEXT: srli a0, a0, 32 ; RV64I-NEXT: sw a2, 0(a1) ; RV64I-NEXT: addi a0, a0, 15 ; RV64I-NEXT: andi a0, a0, -16 ; RV64I-NEXT: sub a0, sp, a0 ; RV64I-NEXT: andi a0, a0, -2048 ; RV64I-NEXT: lui a1, 1 ; RV64I-NEXT: .LBB11_3: # =>This Inner Loop Header: Depth=1 ; RV64I-NEXT: sub sp, sp, a1 ; RV64I-NEXT: sd zero, 0(sp) ; RV64I-NEXT: bltu a0, sp, .LBB11_3 ; RV64I-NEXT: # %bb.4: ; RV64I-NEXT: mv sp, a0 ; RV64I-NEXT: lbu zero, 0(a0) ; RV64I-NEXT: addi sp, s0, -2032 ; RV64I-NEXT: .cfi_def_cfa sp, 2032 ; RV64I-NEXT: ld ra, 2024(sp) # 8-byte Folded Reload ; RV64I-NEXT: ld s0, 2016(sp) # 8-byte Folded Reload ; RV64I-NEXT: ld s1, 2008(sp) # 8-byte Folded Reload ; RV64I-NEXT: .cfi_restore ra ; RV64I-NEXT: .cfi_restore s0 ; RV64I-NEXT: .cfi_restore s1 ; RV64I-NEXT: addi sp, sp, 2032 ; RV64I-NEXT: .cfi_def_cfa_offset 0 ; RV64I-NEXT: ret ; ; RV32I-LABEL: f11: ; RV32I: # %bb.0: ; RV32I-NEXT: addi sp, sp, -2032 ; RV32I-NEXT: .cfi_def_cfa_offset 2032 ; RV32I-NEXT: sw zero, 0(sp) ; RV32I-NEXT: sw ra, 2028(sp) # 4-byte Folded Spill ; RV32I-NEXT: sw s0, 2024(sp) # 4-byte Folded Spill ; RV32I-NEXT: sw s1, 2020(sp) # 4-byte Folded Spill ; RV32I-NEXT: .cfi_offset ra, -4 ; RV32I-NEXT: .cfi_offset s0, -8 ; RV32I-NEXT: .cfi_offset s1, -12 ; RV32I-NEXT: addi s0, sp, 2032 ; RV32I-NEXT: .cfi_def_cfa s0, 0 ; RV32I-NEXT: lui a2, 15 ; RV32I-NEXT: sub t1, sp, a2 ; RV32I-NEXT: lui t2, 1 ; RV32I-NEXT: .LBB11_1: # =>This Inner Loop Header: Depth=1 ; RV32I-NEXT: sub sp, sp, t2 ; RV32I-NEXT: sw zero, 0(sp) ; RV32I-NEXT: bne sp, t1, .LBB11_1 ; RV32I-NEXT: # %bb.2: ; RV32I-NEXT: addi sp, sp, -2048 ; RV32I-NEXT: addi sp, sp, -16 ; RV32I-NEXT: sw zero, 0(sp) ; RV32I-NEXT: srli a2, sp, 15 ; RV32I-NEXT: slli sp, a2, 15 ; RV32I-NEXT: mv s1, sp ; RV32I-NEXT: slli a1, a1, 2 ; RV32I-NEXT: lui a2, 8 ; RV32I-NEXT: add a2, s1, a2 ; RV32I-NEXT: add a1, a2, a1 ; RV32I-NEXT: li a2, 1 ; RV32I-NEXT: addi a0, a0, 15 ; RV32I-NEXT: andi a0, a0, -16 ; RV32I-NEXT: sw a2, 0(a1) ; RV32I-NEXT: sub a0, sp, a0 ; RV32I-NEXT: andi a0, a0, -2048 ; RV32I-NEXT: lui a1, 1 ; RV32I-NEXT: .LBB11_3: # =>This Inner Loop Header: Depth=1 ; RV32I-NEXT: sub sp, sp, a1 ; RV32I-NEXT: sw zero, 0(sp) ; RV32I-NEXT: bltu a0, sp, .LBB11_3 ; RV32I-NEXT: # %bb.4: ; RV32I-NEXT: mv sp, a0 ; RV32I-NEXT: lbu zero, 0(a0) ; RV32I-NEXT: addi sp, s0, -2032 ; RV32I-NEXT: .cfi_def_cfa sp, 2032 ; RV32I-NEXT: lw ra, 2028(sp) # 4-byte Folded Reload ; RV32I-NEXT: lw s0, 2024(sp) # 4-byte Folded Reload ; RV32I-NEXT: lw s1, 2020(sp) # 4-byte Folded Reload ; RV32I-NEXT: .cfi_restore ra ; RV32I-NEXT: .cfi_restore s0 ; RV32I-NEXT: .cfi_restore s1 ; RV32I-NEXT: addi sp, sp, 2032 ; RV32I-NEXT: .cfi_def_cfa_offset 0 ; RV32I-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" }