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; RUN: opt < %s -instcombine -S | FileCheck %s
target datalayout = "e-m:o-p:32:32-f64:32:64-v64:32:64-v128:32:128-a:0:32-n32-S32"
; CHECK-LABEL: define i32 @positive1
; CHECK: switch i32
; CHECK: i32 10, label
; CHECK: i32 100, label
; CHECK: i32 1001, label
define i32 @positive1(i64 %a) {
entry:
%and = and i64 %a, 4294967295
switch i64 %and, label %sw.default [
i64 10, label %return
i64 100, label %sw.bb1
i64 1001, label %sw.bb2
]
sw.bb1:
br label %return
sw.bb2:
br label %return
sw.default:
br label %return
return:
%retval.0 = phi i32 [ 24, %sw.default ], [ 123, %sw.bb2 ], [ 213, %sw.bb1 ], [ 231, %entry ]
ret i32 %retval.0
}
; CHECK-LABEL: define i32 @negative1
; CHECK: switch i32
; CHECK: i32 -10, label
; CHECK: i32 -100, label
; CHECK: i32 -1001, label
define i32 @negative1(i64 %a) {
entry:
%or = or i64 %a, -4294967296
switch i64 %or, label %sw.default [
i64 -10, label %return
i64 -100, label %sw.bb1
i64 -1001, label %sw.bb2
]
sw.bb1:
br label %return
sw.bb2:
br label %return
sw.default:
br label %return
return:
%retval.0 = phi i32 [ 24, %sw.default ], [ 123, %sw.bb2 ], [ 213, %sw.bb1 ], [ 231, %entry ]
ret i32 %retval.0
}
; Make sure truncating a constant int larger than 64-bit doesn't trigger an
; assertion.
; CHECK-LABEL: define i32 @trunc72to68
; CHECK: switch i68
; CHECK: i68 10, label
; CHECK: i68 100, label
; CHECK: i68 1001, label
define i32 @trunc72to68(i72 %a) {
entry:
%and = and i72 %a, 295147905179352825855
switch i72 %and, label %sw.default [
i72 10, label %return
i72 100, label %sw.bb1
i72 1001, label %sw.bb2
]
sw.bb1:
br label %return
sw.bb2:
br label %return
sw.default:
br label %return
return:
%retval.0 = phi i32 [ 24, %sw.default ], [ 123, %sw.bb2 ], [ 213, %sw.bb1 ], [ 231, %entry ]
ret i32 %retval.0
}
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