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https://github.com/c64scene-ar/llvm-6502.git
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4eb03123df
The code committed in r219832 asserted when it attempted to shrink a switch statement whose type was larger than 64-bit. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@219902 91177308-0d34-0410-b5e6-96231b3b80d8
94 lines
1.8 KiB
LLVM
94 lines
1.8 KiB
LLVM
; RUN: opt < %s -instcombine -S | FileCheck %s
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target datalayout = "e-m:o-p:32:32-f64:32:64-v64:32:64-v128:32:128-a:0:32-n32-S32"
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; CHECK-LABEL: define i32 @positive1
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; CHECK: switch i32
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; CHECK: i32 10, label
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; CHECK: i32 100, label
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; CHECK: i32 1001, label
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define i32 @positive1(i64 %a) {
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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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; CHECK-LABEL: define i32 @negative1
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; CHECK: switch i32
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; CHECK: i32 -10, label
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; CHECK: i32 -100, label
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; CHECK: i32 -1001, label
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define i32 @negative1(i64 %a) {
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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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; CHECK-LABEL: define i32 @trunc72to68
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; CHECK: switch i68
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; CHECK: i68 10, label
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; CHECK: i68 100, label
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; CHECK: i68 1001, label
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define i32 @trunc72to68(i72 %a) {
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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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