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| ; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
; RUN: llc -mtriple=mipsel-linux-gnu -mattr=+micromips -relocation-model=pic < %s | FileCheck %s
; Test that the delay slot filler correctly handles indirect branches for
; microMIPS in regard to incorrectly using 16bit instructions in delay slots of
; 32bit instructions.
define i32 @test(i32 signext %x, i32 signext %c) {
; CHECK-LABEL: test:
; CHECK: # %bb.0: # %entry
; CHECK-NEXT: lui $2, %hi(_gp_disp)
; CHECK-NEXT: addiu $2, $2, %lo(_gp_disp)
; CHECK-NEXT: addiur2 $5, $5, -1
; CHECK-NEXT: sltiu $1, $5, 4
; CHECK-NEXT: beqz $1, $BB0_3
; CHECK-NEXT: addu $3, $2, $25
; CHECK-NEXT: $BB0_1: # %entry
; CHECK-NEXT: li16 $2, 0
; CHECK-NEXT: sll16 $5, $5, 2
; CHECK-NEXT: lw $6, %got($JTI0_0)($3)
; CHECK-NEXT: addu16 $5, $5, $6
; CHECK-NEXT: lw $5, %lo($JTI0_0)($5)
; CHECK-NEXT: addu16 $3, $5, $3
; CHECK-NEXT: jr $3
; CHECK-NEXT: nop
; CHECK-NEXT: $BB0_2: # %sw.bb2
; CHECK-NEXT: addiur2 $2, $4, 1
; CHECK-NEXT: jrc $ra
; CHECK-NEXT: $BB0_3:
; CHECK-NEXT: move $2, $4
; CHECK-NEXT: jrc $ra
; CHECK-NEXT: $BB0_4: # %sw.bb3
; CHECK-NEXT: addius5 $4, 2
; CHECK-NEXT: move $2, $4
; CHECK-NEXT: jrc $ra
; CHECK-NEXT: $BB0_5: # %sw.bb5
; CHECK-NEXT: addius5 $4, 3
; CHECK-NEXT: move $2, $4
; CHECK-NEXT: $BB0_6: # %for.cond.cleanup
; CHECK-NEXT: jrc $ra
entry:
switch i32 %c, label %sw.epilog [
i32 4, label %sw.bb5
i32 1, label %for.cond.cleanup
i32 2, label %sw.bb2
i32 3, label %sw.bb3
]
sw.bb2:
%add = add nsw i32 %x, 1
br label %sw.epilog
sw.bb3:
%add4 = add nsw i32 %x, 2
br label %sw.epilog
sw.bb5:
%add6 = add nsw i32 %x, 3
br label %sw.epilog
sw.epilog:
%a.0 = phi i32 [ %add6, %sw.bb5 ], [ %add4, %sw.bb3 ], [ %add, %sw.bb2 ], [ %x, %entry ]
br label %for.cond.cleanup
for.cond.cleanup:
%a.028 = phi i32 [ %a.0, %sw.epilog ], [ 0, %entry ]
ret i32 %a.028
}
|