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llvm/test/Transforms/ConstProp/constant-expr.ll
Nick Lewycky 175e7aec13 Add the select optimization recently added to instcombine to constant folding. 
This is the one where one of the branches of the select is another select on
the same condition.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@124547 91177308-0d34-0410-b5e6-96231b3b80d8
2011-01-29 20:35:06 +00:00

112 lines
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LLVM
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; RUN: llvm-as < %s | llvm-dis | FileCheck %s
@X = external global i8
@Y = external global i8
@Z = external global i8
@A = global i1 add (i1 icmp ult (i8* @X, i8* @Y), i1 icmp ult (i8* @X, i8* @Z))
; CHECK: @A = global i1 xor (i1 icmp ult (i8* @X, i8* @Y), i1 icmp ult (i8* @X, i8* @Z))
@B = global i1 sub (i1 icmp ult (i8* @X, i8* @Y), i1 icmp ult (i8* @X, i8* @Z)), align 2
; CHECK: @B = global i1 xor (i1 icmp ult (i8* @X, i8* @Y), i1 icmp ult (i8* @X, i8* @Z))
@C = global i1 mul (i1 icmp ult (i8* @X, i8* @Y), i1 icmp ult (i8* @X, i8* @Z))
; CHECK: @C = global i1 and (i1 icmp ult (i8* @X, i8* @Y), i1 icmp ult (i8* @X, i8* @Z))
@D = global i1 sdiv (i1 icmp ult (i8* @X, i8* @Y), i1 icmp ult (i8* @X, i8* @Z))
; CHECK: @D = global i1 icmp ult (i8* @X, i8* @Y)
@E = global i1 udiv (i1 icmp ult (i8* @X, i8* @Y), i1 icmp ult (i8* @X, i8* @Z))
; CHECK: @E = global i1 icmp ult (i8* @X, i8* @Y)
@F = global i1 srem (i1 icmp ult (i8* @X, i8* @Y), i1 icmp ult (i8* @X, i8* @Z))
; CHECK: @F = global i1 false
@G = global i1 urem (i1 icmp ult (i8* @X, i8* @Y), i1 icmp ult (i8* @X, i8* @Z))
; CHECK: @G = global i1 false
@H = global i1 icmp ule (i32* bitcast (i8* @X to i32*), i32* bitcast (i8* @Y to i32*))
; CHECK: @H = global i1 icmp ule (i8* @X, i8* @Y)
@I = global i1 xor (i1 icmp ult (i8* @X, i8* @Y), i1 false)
; CHECK: @I = global i1 icmp ult (i8* @X, i8* @Y)
@J = global i1 xor (i1 icmp ult (i8* @X, i8* @Y), i1 true)
; CHECK: @J = global i1 icmp uge (i8* @X, i8* @Y)
@K = global i1 icmp eq (i1 icmp ult (i8* @X, i8* @Y), i1 false)
; CHECK: @K = global i1 icmp uge (i8* @X, i8* @Y)
@L = global i1 icmp eq (i1 icmp ult (i8* @X, i8* @Y), i1 true)
; CHECK: @L = global i1 icmp ult (i8* @X, i8* @Y)
@M = global i1 icmp ne (i1 icmp ult (i8* @X, i8* @Y), i1 true)
; CHECK: @M = global i1 icmp uge (i8* @X, i8* @Y)
@N = global i1 icmp ne (i1 icmp ult (i8* @X, i8* @Y), i1 false)
; CHECK: @N = global i1 icmp ult (i8* @X, i8* @Y)
@O = global i1 icmp eq (i32 zext (i1 icmp ult (i8* @X, i8* @Y) to i32), i32 0)
; CHECK: @O = global i1 icmp uge (i8* @X, i8* @Y)
; PR5176
; CHECK: @T1 = global i1 true
@T1 = global i1 icmp eq (i64 and (i64 trunc (i256 lshr (i256 or (i256 and (i256 and (i256 shl (i256 zext (i64 ptrtoint (i1* @B to i64) to i256), i256 64), i256 -6277101735386680763495507056286727952638980837032266301441), i256 6277101735386680763835789423207666416102355444464034512895), i256 shl (i256 zext (i64 ptrtoint (i1* @A to i64) to i256), i256 192)), i256 64) to i64), i64 1), i64 0)
; CHECK: @T2 = global i1* @B
@T2 = global i1* inttoptr (i64 add (i64 trunc (i256 lshr (i256 or (i256 and (i256 and (i256 shl (i256 zext (i64 ptrtoint (i1* @A to i64) to i256), i256 64), i256 -6277101735386680763495507056286727952638980837032266301441), i256 6277101735386680763835789423207666416102355444464034512895), i256 shl (i256 zext (i64 ptrtoint (i1* @B to i64) to i256), i256 192)), i256 192) to i64), i64 trunc (i256 lshr (i256 or (i256 and (i256 and (i256 shl (i256 zext (i64 ptrtoint (i1* @A to i64) to i256), i256 64), i256 -6277101735386680763495507056286727952638980837032266301441), i256 6277101735386680763835789423207666416102355444464034512895), i256 shl (i256 zext (i64 ptrtoint (i1* @B to i64) to i256), i256 192)), i256 128) to i64)) to i1*)
; CHECK: @T3 = global i64 add (i64 ptrtoint (i1* @B to i64), i64 -1)
@T3 = global i64 add (i64 trunc (i256 lshr (i256 or (i256 and (i256 and (i256 shl (i256 zext (i64 ptrtoint (i1* @B to i64) to i256), i256 64), i256 -6277101735386680763495507056286727952638980837032266301441), i256 6277101735386680763835789423207666416102355444464034512895), i256 shl (i256 zext (i64 ptrtoint (i1* @A to i64) to i256), i256 192)), i256 64) to i64), i64 -1)
; CHECK: @T4 = global i1* @B
@T4 = global i1* inttoptr (i64 trunc (i256 lshr (i256 or (i256 and (i256 and (i256 shl (i256 zext (i64 ptrtoint (i1* @B to i64) to i256), i256 64), i256 -6277101735386680763495507056286727952638980837032266301441), i256 6277101735386680763835789423207666416102355444464034512895), i256 shl (i256 zext (i64 ptrtoint (i1* @A to i64) to i256), i256 192)), i256 64) to i64) to i1*)
; CHECK: @T5 = global i1* @A
@T5 = global i1* inttoptr (i64 add (i64 trunc (i256 lshr (i256 or (i256 and (i256 and (i256 shl (i256 zext (i64 ptrtoint (i1* @B to i64) to i256), i256 64), i256 -6277101735386680763495507056286727952638980837032266301441), i256 6277101735386680763835789423207666416102355444464034512895), i256 shl (i256 zext (i64 ptrtoint (i1* @A to i64) to i256), i256 192)), i256 192) to i64), i64 trunc (i256 lshr (i256 or (i256 and (i256 and (i256 shl (i256 zext (i64 ptrtoint (i1* @B to i64) to i256), i256 64), i256 -6277101735386680763495507056286727952638980837032266301441), i256 6277101735386680763835789423207666416102355444464034512895), i256 shl (i256 zext (i64 ptrtoint (i1* @A to i64) to i256), i256 192)), i256 128) to i64)) to i1*)
; PR6096
; No check line. This used to crash llvm-as.
@T6 = global <2 x i1> fcmp ole (<2 x float> fdiv (<2 x float> undef, <2 x float> <float 1.000000e+00, float 1.000000e+00>), <2 x float> zeroinitializer)
; PR9011
@pr9011_1 = constant <4 x i32> zext (<4 x i8> zeroinitializer to <4 x i32>)
; CHECK: pr9011_1 = constant <4 x i32> zeroinitializer
@pr9011_2 = constant <4 x i32> sext (<4 x i8> zeroinitializer to <4 x i32>)
; CHECK: pr9011_2 = constant <4 x i32> zeroinitializer
@pr9011_3 = constant <4 x i32> bitcast (<16 x i8> zeroinitializer to <4 x i32>)
; CHECK: pr9011_3 = constant <4 x i32> zeroinitializer
@pr9011_4 = constant <4 x float> uitofp (<4 x i8> zeroinitializer to <4 x float>)
; CHECK: pr9011_4 = constant <4 x float> zeroinitializer
@pr9011_5 = constant <4 x float> sitofp (<4 x i8> zeroinitializer to <4 x float>)
; CHECK: pr9011_5 = constant <4 x float> zeroinitializer
@pr9011_6 = constant <4 x i32> fptosi (<4 x float> zeroinitializer to <4 x i32>)
; CHECK: pr9011_6 = constant <4 x i32> zeroinitializer
@pr9011_7 = constant <4 x i32> fptoui (<4 x float> zeroinitializer to <4 x i32>)
; CHECK: pr9011_7 = constant <4 x i32> zeroinitializer
@pr9011_8 = constant <4 x float> fptrunc (<4 x double> zeroinitializer to <4 x float>)
; CHECK: pr9011_8 = constant <4 x float> zeroinitializer
@pr9011_9 = constant <4 x double> fpext (<4 x float> zeroinitializer to <4 x double>)
; CHECK: pr9011_9 = constant <4 x double> zeroinitializer
@pr9011_10 = constant <4 x double> bitcast (i256 0 to <4 x double>)
; CHECK: pr9011_10 = constant <4 x double> zeroinitializer
@pr9011_11 = constant <4 x float> bitcast (i128 0 to <4 x float>)
; CHECK: pr9011_11 = constant <4 x float> zeroinitializer
@pr9011_12 = constant <4 x i32> bitcast (i128 0 to <4 x i32>)
; CHECK: pr9011_12 = constant <4 x i32> zeroinitializer
@pr9011_13 = constant i256 bitcast (<4 x double> zeroinitializer to i256)
; CHECK: pr9011_13 = constant i256 0
@pr9011_14 = constant i128 bitcast (<4 x float> zeroinitializer to i128)
; CHECK: pr9011_14 = constant i128 0
@pr9011_15 = constant i128 bitcast (<4 x i32> zeroinitializer to i128)
; CHECK: pr9011_15 = constant i128 0
@select = internal constant
i32 select (i1 icmp ult (i32 ptrtoint (i8* @X to i32),
i32 ptrtoint (i8* @Y to i32)),
i32 select (i1 icmp ult (i32 ptrtoint (i8* @X to i32),
i32 ptrtoint (i8* @Y to i32)),
i32 10, i32 20),
i32 30)
; CHECK: select = internal constant i32 select {{.*}} i32 10, i32 30
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