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51 lines
1.5 KiB
51 lines
1.5 KiB
4 months ago
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; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
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; RUN: llc -mtriple=msp430-- -msp430-no-legal-immediate=true < %s | FileCheck %s
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; Test case for the following transformation in TargetLowering::SimplifySetCC
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; (X & -256) == 256 -> (X >> 8) == 1
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define i16 @testSimplifySetCC_2(i16 %x) {
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; CHECK-LABEL: testSimplifySetCC_2:
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; CHECK: ; %bb.0: ; %entry
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; CHECK-NEXT: and #-64, r12
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; CHECK-NEXT: cmp #64, r12
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; CHECK-NEXT: mov r2, r12
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; CHECK-NEXT: rra r12
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; CHECK-NEXT: and #1, r12
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; CHECK-NEXT: ret
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entry:
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%and = and i16 %x, -64
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%cmp = icmp eq i16 %and, 64
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%conv = zext i1 %cmp to i16
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ret i16 %conv
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}
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; Test case for the following transformation in TargetLowering::SimplifySetCC
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; X > 0x0ffffffff -> (X >> 32) >= 1
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define i16 @testSimplifySetCC_3(i16 %x) {
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; CHECK-LABEL: testSimplifySetCC_3:
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; CHECK: ; %bb.0: ; %entry
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; CHECK-NEXT: cmp #64, r12
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; CHECK-NEXT: mov r2, r12
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; CHECK-NEXT: and #1, r12
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; CHECK-NEXT: ret
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entry:
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%cmp = icmp ugt i16 %x, 63
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%conv = zext i1 %cmp to i16
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ret i16 %conv
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}
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; Test case for the following transformation in TargetLowering::SimplifySetCC
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; X < 0x100000000 -> (X >> 32) < 1
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define i16 @testSimplifySetCC_4(i16 %x) {
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; CHECK-LABEL: testSimplifySetCC_4:
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; CHECK: ; %bb.0: ; %entry
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; CHECK-NEXT: cmp #64, r12
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; CHECK-NEXT: mov #1, r12
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; CHECK-NEXT: bic r2, r12
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; CHECK-NEXT: ret
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entry:
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%cmp = icmp ult i16 %x, 64
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%conv = zext i1 %cmp to i16
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ret i16 %conv
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}
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