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149 lines
3.5 KiB
LLVM
149 lines
3.5 KiB
LLVM
; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
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; Vary legal integer types in data layout.
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; RUN: opt < %s -instcombine -S -default-data-layout=n32 | FileCheck %s --check-prefix=ALL --check-prefix=CHECK32
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; RUN: opt < %s -instcombine -S -default-data-layout=n32:64 | FileCheck %s --check-prefix=ALL --check-prefix=CHECK64
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define i32 @positive1(i64 %a) {
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; CHECK32-LABEL: @positive1(
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; CHECK32: switch i32
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; CHECK32-NEXT: i32 10, label %return
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; CHECK32-NEXT: i32 100, label %sw.bb1
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; CHECK32-NEXT: i32 1001, label %sw.bb2
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; CHECK32-NEXT: ]
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;
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; CHECK64-LABEL: @positive1(
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; CHECK64: switch i64
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; CHECK64-NEXT: i64 10, label %return
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; CHECK64-NEXT: i64 100, label %sw.bb1
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; CHECK64-NEXT: i64 1001, label %sw.bb2
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; CHECK64-NEXT: ]
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;
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entry:
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%and = and i64 %a, 4294967295
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switch i64 %and, label %sw.default [
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i64 10, label %return
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i64 100, label %sw.bb1
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i64 1001, label %sw.bb2
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]
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sw.bb1:
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br label %return
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sw.bb2:
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br label %return
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sw.default:
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br label %return
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return:
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%retval.0 = phi i32 [ 24, %sw.default ], [ 123, %sw.bb2 ], [ 213, %sw.bb1 ], [ 231, %entry ]
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ret i32 %retval.0
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}
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define i32 @negative1(i64 %a) {
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; CHECK32-LABEL: @negative1(
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; CHECK32: switch i32
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; CHECK32-NEXT: i32 -10, label %return
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; CHECK32-NEXT: i32 -100, label %sw.bb1
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; CHECK32-NEXT: i32 -1001, label %sw.bb2
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; CHECK32-NEXT: ]
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;
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; CHECK64-LABEL: @negative1(
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; CHECK64: switch i64
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; CHECK64-NEXT: i64 -10, label %return
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; CHECK64-NEXT: i64 -100, label %sw.bb1
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; CHECK64-NEXT: i64 -1001, label %sw.bb2
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; CHECK64-NEXT: ]
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;
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entry:
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%or = or i64 %a, -4294967296
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switch i64 %or, label %sw.default [
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i64 -10, label %return
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i64 -100, label %sw.bb1
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i64 -1001, label %sw.bb2
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]
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sw.bb1:
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br label %return
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sw.bb2:
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br label %return
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sw.default:
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br label %return
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return:
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%retval.0 = phi i32 [ 24, %sw.default ], [ 123, %sw.bb2 ], [ 213, %sw.bb1 ], [ 231, %entry ]
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ret i32 %retval.0
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}
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; Make sure truncating a constant int larger than 64-bit doesn't trigger an
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; assertion.
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define i32 @trunc72to68(i72 %a) {
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; ALL-LABEL: @trunc72to68(
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; ALL: switch i68
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; ALL-NEXT: i68 10, label %return
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; ALL-NEXT: i68 100, label %sw.bb1
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; ALL-NEXT: i68 1001, label %sw.bb2
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; ALL-NEXT: ]
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;
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entry:
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%and = and i72 %a, 295147905179352825855
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switch i72 %and, label %sw.default [
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i72 10, label %return
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i72 100, label %sw.bb1
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i72 1001, label %sw.bb2
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]
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sw.bb1:
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br label %return
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sw.bb2:
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br label %return
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sw.default:
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br label %return
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return:
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%retval.0 = phi i32 [ 24, %sw.default ], [ 123, %sw.bb2 ], [ 213, %sw.bb1 ], [ 231, %entry ]
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ret i32 %retval.0
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}
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; Make sure to avoid assertion crashes and use the type before
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; truncation to generate the sub constant expressions that leads
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; to the recomputed condition.
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define void @trunc64to59(i64 %a) {
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; CHECK32-LABEL: @trunc64to59(
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; CHECK32: switch i59
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; CHECK32-NEXT: i59 0, label %sw.bb1
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; CHECK32-NEXT: i59 18717182647723699, label %sw.bb2
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; CHECK32-NEXT: ]
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;
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; CHECK64-LABEL: @trunc64to59(
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; CHECK64: switch i64
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; CHECK64-NEXT: i64 0, label %sw.bb1
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; CHECK64-NEXT: i64 18717182647723699, label %sw.bb2
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; CHECK64-NEXT: ]
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;
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entry:
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%tmp0 = and i64 %a, 15
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%tmp1 = mul i64 %tmp0, -6425668444178048401
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%tmp2 = add i64 %tmp1, 5170979678563097242
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%tmp3 = mul i64 %tmp2, 1627972535142754813
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switch i64 %tmp3, label %sw.default [
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i64 847514119312061490, label %sw.bb1
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i64 866231301959785189, label %sw.bb2
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]
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sw.bb1:
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br label %sw.default
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sw.bb2:
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br label %sw.default
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sw.default:
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ret void
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}
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