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; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
; RUN: llc -mtriple=riscv32 < %s | FileCheck %s
%struct.S = type { [40 x i32], i32, i32, i32, [4100 x i32], i32, i32, i32 }
@s = common dso_local global %struct.S zeroinitializer, align 4
@foo = global [6 x i16] [i16 1, i16 2, i16 3, i16 4, i16 5, i16 0], align 2
@g = global [1048576 x i8] zeroinitializer, align 1
define dso_local void @multiple_stores() local_unnamed_addr nounwind {
; CHECK-LABEL: multiple_stores:
; CHECK: # %bb.0: # %entry
; CHECK-NEXT: lui a0, %hi(s)
; CHECK-NEXT: addi a0, a0, %lo(s)
; CHECK-NEXT: addi a1, zero, 20
; CHECK-NEXT: sw a1, 164(a0)
; CHECK-NEXT: addi a1, zero, 10
; CHECK-NEXT: sw a1, 160(a0)
; CHECK-NEXT: ret
entry:
store i32 10, i32* getelementptr inbounds (%struct.S, %struct.S* @s, i32 0, i32 1), align 4
store i32 20, i32* getelementptr inbounds (%struct.S, %struct.S* @s, i32 0, i32 2), align 4
ret void
}
define dso_local void @control_flow_with_mem_access() local_unnamed_addr nounwind {
; CHECK-LABEL: control_flow_with_mem_access:
; CHECK: # %bb.0: # %entry
; CHECK-NEXT: lui a0, %hi(s)
; CHECK-NEXT: addi a0, a0, %lo(s)
; CHECK-NEXT: lw a1, 164(a0)
; CHECK-NEXT: addi a2, zero, 1
; CHECK-NEXT: blt a1, a2, .LBB1_2
; CHECK-NEXT: # %bb.1: # %if.then
; CHECK-NEXT: addi a1, zero, 10
; CHECK-NEXT: sw a1, 160(a0)
; CHECK-NEXT: .LBB1_2: # %if.end
; CHECK-NEXT: ret
entry:
%0 = load i32, i32* getelementptr inbounds (%struct.S, %struct.S* @s, i32 0, i32 2), align 4
%cmp = icmp sgt i32 %0, 0
br i1 %cmp, label %if.then, label %if.end
if.then: ; preds = %entry
store i32 10, i32* getelementptr inbounds (%struct.S, %struct.S* @s, i32 0, i32 1), align 4
br label %if.end
if.end: ; preds = %if.then, %entry
ret void
}
; This test checks that the offset is reconstructed correctly when
; "addi" of the big offset has a negative immediate.
; without peephole this generates:
; lui a1, %hi(g)
; addi a1, a0, %lo(g)
; lui a0, 18 ---> offset
; addi a0, a0, -160
; add a0, a0, a1 ---> base + offset.
define i8* @big_offset_neg_addi() nounwind {
; CHECK-LABEL: big_offset_neg_addi:
; CHECK: # %bb.0:
; CHECK-NEXT: lui a0, %hi(g+73568)
; CHECK-NEXT: addi a0, a0, %lo(g+73568)
; CHECK-NEXT: ret
ret i8* getelementptr inbounds ([1048576 x i8], [1048576 x i8]* @g, i32 0, i32 73568)
}
; This test checks for the case where the offset is only an LUI.
; without peephole this generates:
; lui a0, %hi(g)
; addi a0, a0, %lo(g)
; lui a1, 128 ---> offset
; add a0, a0, a1 ---> base + offset.
define i8* @big_offset_lui_tail() nounwind {
; CHECK-LABEL: big_offset_lui_tail:
; CHECK: # %bb.0:
; CHECK-NEXT: lui a0, %hi(g+524288)
; CHECK-NEXT: addi a0, a0, %lo(g+524288)
; CHECK-NEXT: ret
ret i8* getelementptr inbounds ([1048576 x i8], [1048576 x i8]* @g, i32 0, i32 524288)
}
define dso_local i32* @big_offset_one_use() local_unnamed_addr nounwind {
; CHECK-LABEL: big_offset_one_use:
; CHECK: # %bb.0: # %entry
; CHECK-NEXT: lui a0, %hi(s+16572)
; CHECK-NEXT: addi a0, a0, %lo(s+16572)
; CHECK-NEXT: ret
entry:
ret i32* getelementptr inbounds (%struct.S, %struct.S* @s, i32 0, i32 5)
}
define dso_local i32* @small_offset_one_use() local_unnamed_addr nounwind {
; CHECK-LABEL: small_offset_one_use:
; CHECK: # %bb.0: # %entry
; CHECK-NEXT: lui a0, %hi(s+160)
; CHECK-NEXT: addi a0, a0, %lo(s+160)
; CHECK-NEXT: ret
entry:
ret i32* getelementptr inbounds (%struct.S, %struct.S* @s, i32 0, i32 1)
}
define dso_local i32* @control_flow_no_mem(i32 %n) local_unnamed_addr nounwind {
; CHECK-LABEL: control_flow_no_mem:
; CHECK: # %bb.0: # %entry
; CHECK-NEXT: lui a0, %hi(s)
; CHECK-NEXT: addi a0, a0, %lo(s)
; CHECK-NEXT: lw a1, 164(a0)
; CHECK-NEXT: beqz a1, .LBB6_2
; CHECK-NEXT: # %bb.1: # %if.end
; CHECK-NEXT: addi a0, a0, 168
; CHECK-NEXT: ret
; CHECK-NEXT: .LBB6_2: # %if.then
; CHECK-NEXT: addi a0, a0, 160
; CHECK-NEXT: ret
entry:
%0 = load i32, i32* getelementptr inbounds (%struct.S, %struct.S* @s, i32 0, i32 2), align 4
%cmp = icmp eq i32 %0, 0
br i1 %cmp, label %if.then, label %if.end
if.then: ; preds = %entry
ret i32* getelementptr inbounds (%struct.S, %struct.S* @s, i32 0, i32 1)
if.end: ; preds = %if.then, %entry
ret i32* getelementptr inbounds (%struct.S, %struct.S* @s, i32 0, i32 3)
}
define dso_local i32 @load_half() nounwind {
; CHECK-LABEL: load_half:
; CHECK: # %bb.0: # %entry
; CHECK-NEXT: addi sp, sp, -16
; CHECK-NEXT: sw ra, 12(sp)
; CHECK-NEXT: lui a0, %hi(foo+8)
; CHECK-NEXT: lhu a0, %lo(foo+8)(a0)
; CHECK-NEXT: addi a1, zero, 140
; CHECK-NEXT: bne a0, a1, .LBB7_2
; CHECK-NEXT: # %bb.1: # %if.end
; CHECK-NEXT: mv a0, zero
; CHECK-NEXT: lw ra, 12(sp)
; CHECK-NEXT: addi sp, sp, 16
; CHECK-NEXT: ret
; CHECK-NEXT: .LBB7_2: # %if.then
; CHECK-NEXT: call abort
entry:
%0 = load i16, i16* getelementptr inbounds ([6 x i16], [6 x i16]* @foo, i32 0, i32 4), align 2
%cmp = icmp eq i16 %0, 140
br i1 %cmp, label %if.end, label %if.then
if.then:
tail call void @abort()
unreachable
if.end:
ret i32 0
}
declare void @abort()
define dso_local void @one_store() local_unnamed_addr nounwind {
; CHECK-LABEL: one_store:
; CHECK: # %bb.0: # %entry
; CHECK-NEXT: lui a0, %hi(s+160)
; CHECK-NEXT: addi a1, zero, 10
; CHECK-NEXT: sw a1, %lo(s+160)(a0)
; CHECK-NEXT: ret
entry:
store i32 10, i32* getelementptr inbounds (%struct.S, %struct.S* @s, i32 0, i32 1), align 4
ret void
}
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