130 lines
3.8 KiB
LLVM
130 lines
3.8 KiB
LLVM
; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
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; RUN: llc -frame-pointer=all -mtriple=m68k %s -verify-machineinstrs -o - \
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; RUN: | FileCheck --check-prefix=FP %s
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; RUN: llc -frame-pointer=none -mtriple=m68k %s -verify-machineinstrs -o - \
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; RUN: | FileCheck --check-prefix=NO-FP %s
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define i32 @fib(i32 %a, i32 %b) {
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; FP-LABEL: fib:
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; FP: .cfi_startproc
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; FP-NEXT: ; %bb.0: ; %entry
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; FP-NEXT: link.w %a6, #-32
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; FP-NEXT: .cfi_def_cfa_offset -8
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; FP-NEXT: .cfi_offset %a6, -8
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; FP-NEXT: .cfi_def_cfa_register %a6
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; FP-NEXT: move.l (8,%a6), %d1
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; FP-NEXT: move.l %d1, (-32,%a6)
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; FP-NEXT: move.l (12,%a6), %d0
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; FP-NEXT: add.l %d0, %d1
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; FP-NEXT: move.l %d0, (-28,%a6)
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; FP-NEXT: add.l %d1, %d0
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; FP-NEXT: move.l %d1, (-24,%a6)
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; FP-NEXT: add.l %d0, %d1
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; FP-NEXT: move.l %d0, (-20,%a6)
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; FP-NEXT: move.l %d1, (-16,%a6)
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; FP-NEXT: add.l %d1, %d0
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; FP-NEXT: move.l %d0, (-12,%a6)
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; FP-NEXT: add.l %d0, %d1
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; FP-NEXT: move.l %d1, (-8,%a6)
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; FP-NEXT: add.l %d1, %d0
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; FP-NEXT: move.l %d0, (-4,%a6)
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; FP-NEXT: unlk %a6
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; FP-NEXT: rts
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;
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; NO-FP-LABEL: fib:
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; NO-FP: .cfi_startproc
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; NO-FP-NEXT: ; %bb.0: ; %entry
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; NO-FP-NEXT: suba.l #32, %sp
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; NO-FP-NEXT: .cfi_def_cfa_offset -36
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; NO-FP-NEXT: move.l (36,%sp), %d1
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; NO-FP-NEXT: move.l %d1, (0,%sp)
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; NO-FP-NEXT: move.l (40,%sp), %d0
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; NO-FP-NEXT: add.l %d0, %d1
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; NO-FP-NEXT: move.l %d0, (4,%sp)
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; NO-FP-NEXT: add.l %d1, %d0
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; NO-FP-NEXT: move.l %d1, (8,%sp)
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; NO-FP-NEXT: add.l %d0, %d1
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; NO-FP-NEXT: move.l %d0, (12,%sp)
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; NO-FP-NEXT: move.l %d1, (16,%sp)
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; NO-FP-NEXT: add.l %d1, %d0
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; NO-FP-NEXT: move.l %d0, (20,%sp)
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; NO-FP-NEXT: add.l %d0, %d1
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; NO-FP-NEXT: move.l %d1, (24,%sp)
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; NO-FP-NEXT: add.l %d1, %d0
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; NO-FP-NEXT: move.l %d0, (28,%sp)
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; NO-FP-NEXT: adda.l #32, %sp
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; NO-FP-NEXT: rts
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entry:
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%arr = alloca [8 x i32], align 4
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%s0 = getelementptr i32, ptr %arr, i32 0
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%s1 = getelementptr i32, ptr %arr, i32 1
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store i32 %a, i32* %s0
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store i32 %b, i32* %s1
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%ptr0 = getelementptr i32, ptr %arr, i32 0
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%ptr1 = getelementptr i32, ptr %arr, i32 1
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%ptr2 = getelementptr i32, ptr %arr, i32 2
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%ptr3 = getelementptr i32, ptr %arr, i32 3
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%ptr4 = getelementptr i32, ptr %arr, i32 4
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%ptr5 = getelementptr i32, ptr %arr, i32 5
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%ptr6 = getelementptr i32, ptr %arr, i32 6
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%ptr7 = getelementptr i32, ptr %arr, i32 7
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%res0 = load i32, i32 * %ptr0
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%res1 = load i32, i32 * %ptr1
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%res2 = add i32 %res0, %res1
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store i32 %res2, i32 * %ptr2
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%res3 = add i32 %res1, %res2
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store i32 %res3, i32 * %ptr3
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%res4 = add i32 %res2, %res3
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store i32 %res4, i32 * %ptr4
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%res5 = add i32 %res3, %res4
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store i32 %res5, i32 * %ptr5
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%res6 = add i32 %res4, %res5
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store i32 %res6, i32 * %ptr6
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%res7 = add i32 %res5, %res6
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store i32 %res7, i32 * %ptr7
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ret i32 %res7
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}
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define i32 @test_gep() {
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; FP-LABEL: test_gep:
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; FP: .cfi_startproc
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; FP-NEXT: ; %bb.0: ; %entry
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; FP-NEXT: link.w %a6, #-256
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; FP-NEXT: .cfi_def_cfa_offset -8
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; FP-NEXT: .cfi_offset %a6, -8
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; FP-NEXT: .cfi_def_cfa_register %a6
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; FP-NEXT: move.l #21, (-4,%a6)
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; FP-NEXT: move.l #12, (-256,%a6)
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; FP-NEXT: move.l #0, %d0
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; FP-NEXT: unlk %a6
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; FP-NEXT: rts
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;
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; NO-FP-LABEL: test_gep:
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; NO-FP: .cfi_startproc
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; NO-FP-NEXT: ; %bb.0: ; %entry
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; NO-FP-NEXT: suba.l #256, %sp
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; NO-FP-NEXT: .cfi_def_cfa_offset -260
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; NO-FP-NEXT: move.l #21, (252,%sp)
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; NO-FP-NEXT: move.l #12, (0,%sp)
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; NO-FP-NEXT: move.l #0, %d0
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; NO-FP-NEXT: adda.l #256, %sp
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; NO-FP-NEXT: rts
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entry:
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%arr = alloca [8 x [8 x i32]]
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%ptr1 = getelementptr [8 x i32], ptr %arr, i64 0, i64 0
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store i32 12, i32 * %ptr1
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%ptr2 = getelementptr [8 x i32], ptr %arr, i64 7, i64 7
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store i32 21, i32 * %ptr2
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ret i32 0
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}
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