; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py UTC_ARGS: --version 5
; RUN: llc -mtriple=riscv64 < %s | FileCheck %s
define i1 @sink_li(ptr %text, ptr %text.addr.0) nounwind {
; CHECK-LABEL: sink_li:
; CHECK: # %bb.0: # %entry
; CHECK-NEXT: addi sp, sp, -32
; CHECK-NEXT: sd ra, 24(sp) # 8-byte Folded Spill
; CHECK-NEXT: sd s0, 16(sp) # 8-byte Folded Spill
; CHECK-NEXT: sd s1, 8(sp) # 8-byte Folded Spill
; CHECK-NEXT: sd s2, 0(sp) # 8-byte Folded Spill
; CHECK-NEXT: mv s1, a1
; CHECK-NEXT: mv s0, a0
; CHECK-NEXT: call toupper
; CHECK-NEXT: li a1, 0
; CHECK-NEXT: beqz s0, .LBB0_26
; CHECK-NEXT: # %bb.1: # %while.body.preheader
; CHECK-NEXT: li a2, 1
; CHECK-NEXT: li a3, 9
; CHECK-NEXT: li a4, 32
; CHECK-NEXT: .LBB0_2: # %while.body
; CHECK-NEXT: # =>This Inner Loop Header: Depth=1
; CHECK-NEXT: bnez a2, .LBB0_4
; CHECK-NEXT: # %bb.3: # %while.body
; CHECK-NEXT: # in Loop: Header=BB0_2 Depth=1
; CHECK-NEXT: bne a2, a3, .LBB0_16
; CHECK-NEXT: .LBB0_4: # %while.body.1
; CHECK-NEXT: # in Loop: Header=BB0_2 Depth=1
; CHECK-NEXT: bnez a2, .LBB0_6
; CHECK-NEXT: # %bb.5: # %while.body.1
; CHECK-NEXT: # in Loop: Header=BB0_2 Depth=1
; CHECK-NEXT: bne a2, a3, .LBB0_17
; CHECK-NEXT: .LBB0_6: # %while.body.3
; CHECK-NEXT: # in Loop: Header=BB0_2 Depth=1
; CHECK-NEXT: bnez a2, .LBB0_8
; CHECK-NEXT: # %bb.7: # %while.body.3
; CHECK-NEXT: # in Loop: Header=BB0_2 Depth=1
; CHECK-NEXT: bne a2, a4, .LBB0_19
; CHECK-NEXT: .LBB0_8: # %while.body.4
; CHECK-NEXT: # in Loop: Header=BB0_2 Depth=1
; CHECK-NEXT: bnez a2, .LBB0_10
; CHECK-NEXT: # %bb.9: # %while.body.4
; CHECK-NEXT: # in Loop: Header=BB0_2 Depth=1
; CHECK-NEXT: bne a2, a4, .LBB0_21
; CHECK-NEXT: .LBB0_10: # %while.body.5
; CHECK-NEXT: # in Loop: Header=BB0_2 Depth=1
; CHECK-NEXT: bnez a2, .LBB0_12
; CHECK-NEXT: # %bb.11: # %while.body.5
; CHECK-NEXT: # in Loop: Header=BB0_2 Depth=1
; CHECK-NEXT: bne a2, a3, .LBB0_23
; CHECK-NEXT: .LBB0_12: # %while.body.6
; CHECK-NEXT: # in Loop: Header=BB0_2 Depth=1
; CHECK-NEXT: bnez a2, .LBB0_2
; CHECK-NEXT: # %bb.13: # %while.body.6
; CHECK-NEXT: # in Loop: Header=BB0_2 Depth=1
; CHECK-NEXT: beq a2, a3, .LBB0_2
; CHECK-NEXT: # %bb.14: # %while.body.6
; CHECK-NEXT: beqz a2, .LBB0_24
; CHECK-NEXT: # %bb.15: # %strdup.exit.split.loop.exit126
; CHECK-NEXT: addi s0, s1, 7
; CHECK-NEXT: j .LBB0_25
; CHECK-NEXT: .LBB0_16: # %while.body
; CHECK-NEXT: beqz a2, .LBB0_26
; CHECK-NEXT: j .LBB0_18
; CHECK-NEXT: .LBB0_17: # %while.body.1
; CHECK-NEXT: beqz a2, .LBB0_24
; CHECK-NEXT: .LBB0_18: # %strdup.exit.loopexit
; CHECK-NEXT: li s0, 0
; CHECK-NEXT: j .LBB0_25
; CHECK-NEXT: .LBB0_19: # %while.body.3
; CHECK-NEXT: beqz a2, .LBB0_24
; CHECK-NEXT: # %bb.20: # %strdup.exit.split.loop.exit120
; CHECK-NEXT: addi s0, s1, 4
; CHECK-NEXT: j .LBB0_25
; CHECK-NEXT: .LBB0_21: # %while.body.4
; CHECK-NEXT: beqz a2, .LBB0_24
; CHECK-NEXT: # %bb.22: # %strdup.exit.split.loop.exit122
; CHECK-NEXT: addi s0, s1, 5
; CHECK-NEXT: j .LBB0_25
; CHECK-NEXT: .LBB0_23: # %while.body.5
; CHECK-NEXT: bnez a2, .LBB0_25
; CHECK-NEXT: .LBB0_24:
; CHECK-NEXT: li a1, 0
; CHECK-NEXT: j .LBB0_26
; CHECK-NEXT: .LBB0_25: # %strdup.exit
; CHECK-NEXT: li s1, 0
; CHECK-NEXT: mv s2, a0
; CHECK-NEXT: li a0, 0
; CHECK-NEXT: mv a1, s0
; CHECK-NEXT: jalr s1
; CHECK-NEXT: li a0, 0
; CHECK-NEXT: mv a1, s2
; CHECK-NEXT: li a2, 0
; CHECK-NEXT: jalr s1
; CHECK-NEXT: li a1, 1
; CHECK-NEXT: .LBB0_26: # %return
; CHECK-NEXT: mv a0, a1
; CHECK-NEXT: ld ra, 24(sp) # 8-byte Folded Reload
; CHECK-NEXT: ld s0, 16(sp) # 8-byte Folded Reload
; CHECK-NEXT: ld s1, 8(sp) # 8-byte Folded Reload
; CHECK-NEXT: ld s2, 0(sp) # 8-byte Folded Reload
; CHECK-NEXT: addi sp, sp, 32
; CHECK-NEXT: ret
entry:
%call = call i32 @toupper()
%tobool.not = icmp eq ptr %text, null
br i1 %tobool.not, label %return, label %while.body
while.body: ; preds = %while.body.6, %while.body.6, %entry
switch i8 1, label %strdup.exit.split.loop.exit114 [
i8 1, label %while.body.1
i8 9, label %while.body.1
i8 0, label %return
]
while.body.1: ; preds = %while.body, %while.body
switch i8 1, label %strdup.exit [
i8 1, label %while.body.3
i8 9, label %while.body.3
i8 0, label %return
]
while.body.3: ; preds = %while.body.1, %while.body.1
switch i8 1, label %strdup.exit.split.loop.exit120 [
i8 32, label %while.body.4
i8 1, label %while.body.4
i8 0, label %return
]
while.body.4: ; preds = %while.body.3, %while.body.3
switch i8 1, label %strdup.exit.split.loop.exit122 [
i8 32, label %while.body.5
i8 1, label %while.body.5
i8 0, label %return
]
while.body.5: ; preds = %while.body.4, %while.body.4
switch i8 1, label %strdup.exit.split.loop.exit124 [
i8 1, label %while.body.6
i8 9, label %while.body.6
i8 0, label %return
]
while.body.6: ; preds = %while.body.5, %while.body.5
switch i8 1, label %strdup.exit.split.loop.exit126 [
i8 1, label %while.body
i8 9, label %while.body
i8 0, label %return
]
strdup.exit.split.loop.exit114: ; preds = %while.body
br label %strdup.exit
strdup.exit.split.loop.exit120: ; preds = %while.body.3
%incdec.ptr.3.le = getelementptr i8, ptr %text.addr.0, i64 4
br label %strdup.exit
strdup.exit.split.loop.exit122: ; preds = %while.body.4
%incdec.ptr.4.le = getelementptr i8, ptr %text.addr.0, i64 5
br label %strdup.exit
strdup.exit.split.loop.exit124: ; preds = %while.body.5
br label %strdup.exit
strdup.exit.split.loop.exit126: ; preds = %while.body.6
%incdec.ptr.6.le = getelementptr i8, ptr %text.addr.0, i64 7
br label %strdup.exit
strdup.exit: ; preds = %strdup.exit.split.loop.exit126, %strdup.exit.split.loop.exit124, %strdup.exit.split.loop.exit122, %strdup.exit.split.loop.exit120, %strdup.exit.split.loop.exit114, %while.body.1
%text.addr.0.lcssa = phi ptr [ null, %strdup.exit.split.loop.exit114 ], [ %incdec.ptr.3.le, %strdup.exit.split.loop.exit120 ], [ %incdec.ptr.4.le, %strdup.exit.split.loop.exit122 ], [ %text, %strdup.exit.split.loop.exit124 ], [ %incdec.ptr.6.le, %strdup.exit.split.loop.exit126 ], [ null, %while.body.1 ]
%call5.i = tail call ptr null(ptr null, ptr %text.addr.0.lcssa)
%memchr64 = tail call ptr null(ptr null, i32 %call, i64 0)
br label %return
return: ; preds = %strdup.exit, %while.body.6, %while.body.5, %while.body.4, %while.body.3, %while.body.1, %while.body, %entry
%retval.1 = phi i1 [ false, %entry ], [ true, %strdup.exit ], [ false, %while.body ], [ false, %while.body.1 ], [ false, %while.body.3 ], [ false, %while.body.4 ], [ false, %while.body.5 ], [ false, %while.body.6 ]
ret i1 %retval.1
}
declare i32 @toupper()
; In this example, %arg and the return value (13) have overlapping live
; intervals because the ABI mandidates they both be placed in a0.
define signext i32 @overlap_live_ranges(ptr %arg, i32 signext %arg1) {
; CHECK-LABEL: overlap_live_ranges:
; CHECK: # %bb.0: # %bb
; CHECK-NEXT: li a3, 1
; CHECK-NEXT: li a2, 13
; CHECK-NEXT: bne a1, a3, .LBB1_2
; CHECK-NEXT: # %bb.1: # %bb2
; CHECK-NEXT: lw a2, 4(a0)
; CHECK-NEXT: .LBB1_2: # %bb5
; CHECK-NEXT: mv a0, a2
; CHECK-NEXT: ret
bb:
%i = icmp eq i32 %arg1, 1
br i1 %i, label %bb2, label %bb5
bb2: ; preds = %bb
%i3 = getelementptr inbounds nuw i8, ptr %arg, i64 4
%i4 = load i32, ptr %i3, align 4
br label %bb5
bb5: ; preds = %bb2, %bb
%i6 = phi i32 [ %i4, %bb2 ], [ 13, %bb ]
ret i32 %i6
}
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