forked from OSchip/llvm-project
398 lines
14 KiB
LLVM
398 lines
14 KiB
LLVM
; RUN: opt -S -bdce -instsimplify < %s | FileCheck %s
|
|
; RUN: opt -S -instsimplify < %s | FileCheck %s -check-prefix=CHECK-IO
|
|
; RUN: opt -S -debugify -bdce < %s | FileCheck %s -check-prefix=DEBUGIFY
|
|
target datalayout = "E-m:e-i64:64-n32:64"
|
|
target triple = "powerpc64-unknown-linux-gnu"
|
|
|
|
; Function Attrs: nounwind readnone
|
|
define signext i32 @bar(i32 signext %x) #0 {
|
|
entry:
|
|
%call = tail call signext i32 @foo(i32 signext 5) #0
|
|
%and = and i32 %call, 4
|
|
%or = or i32 %and, %x
|
|
%call1 = tail call signext i32 @foo(i32 signext 3) #0
|
|
%and2 = and i32 %call1, 8
|
|
%or3 = or i32 %or, %and2
|
|
%call4 = tail call signext i32 @foo(i32 signext 2) #0
|
|
%and5 = and i32 %call4, 16
|
|
%or6 = or i32 %or3, %and5
|
|
%call7 = tail call signext i32 @foo(i32 signext 1) #0
|
|
%and8 = and i32 %call7, 32
|
|
%or9 = or i32 %or6, %and8
|
|
%call10 = tail call signext i32 @foo(i32 signext 0) #0
|
|
%and11 = and i32 %call10, 64
|
|
%or12 = or i32 %or9, %and11
|
|
%call13 = tail call signext i32 @foo(i32 signext 4) #0
|
|
%and14 = and i32 %call13, 128
|
|
%or15 = or i32 %or12, %and14
|
|
%shr = ashr i32 %or15, 4
|
|
ret i32 %shr
|
|
|
|
; CHECK-LABEL: @bar
|
|
; CHECK-NOT: tail call signext i32 @foo(i32 signext 5)
|
|
; CHECK-NOT: tail call signext i32 @foo(i32 signext 3)
|
|
; CHECK: tail call signext i32 @foo(i32 signext 2)
|
|
; CHECK: tail call signext i32 @foo(i32 signext 1)
|
|
; CHECK: tail call signext i32 @foo(i32 signext 0)
|
|
; CHECK: tail call signext i32 @foo(i32 signext 4)
|
|
; CHECK: ret i32
|
|
|
|
; Check that instsimplify is not doing this all on its own.
|
|
; CHECK-IO-LABEL: @bar
|
|
; CHECK-IO: tail call signext i32 @foo(i32 signext 5)
|
|
; CHECK-IO: tail call signext i32 @foo(i32 signext 3)
|
|
; CHECK-IO: tail call signext i32 @foo(i32 signext 2)
|
|
; CHECK-IO: tail call signext i32 @foo(i32 signext 1)
|
|
; CHECK-IO: tail call signext i32 @foo(i32 signext 0)
|
|
; CHECK-IO: tail call signext i32 @foo(i32 signext 4)
|
|
; CHECK-IO: ret i32
|
|
}
|
|
|
|
; Function Attrs: nounwind readnone
|
|
declare signext i32 @foo(i32 signext) #0
|
|
|
|
; Function Attrs: nounwind readnone
|
|
define signext i32 @far(i32 signext %x) #1 {
|
|
entry:
|
|
%call = tail call signext i32 @goo(i32 signext 5) #1
|
|
%and = and i32 %call, 4
|
|
%or = or i32 %and, %x
|
|
%call1 = tail call signext i32 @goo(i32 signext 3) #1
|
|
%and2 = and i32 %call1, 8
|
|
%or3 = or i32 %or, %and2
|
|
%call4 = tail call signext i32 @goo(i32 signext 2) #1
|
|
%and5 = and i32 %call4, 16
|
|
%or6 = or i32 %or3, %and5
|
|
%call7 = tail call signext i32 @goo(i32 signext 1) #1
|
|
%and8 = and i32 %call7, 32
|
|
%or9 = or i32 %or6, %and8
|
|
%call10 = tail call signext i32 @goo(i32 signext 0) #1
|
|
%and11 = and i32 %call10, 64
|
|
%or12 = or i32 %or9, %and11
|
|
%call13 = tail call signext i32 @goo(i32 signext 4) #1
|
|
%and14 = and i32 %call13, 128
|
|
%or15 = or i32 %or12, %and14
|
|
%shr = ashr i32 %or15, 4
|
|
ret i32 %shr
|
|
|
|
; CHECK-LABEL: @far
|
|
; Calls to foo(5) and foo(3) are still there, but their results are not used.
|
|
; CHECK: tail call signext i32 @goo(i32 signext 5)
|
|
; CHECK-NEXT: tail call signext i32 @goo(i32 signext 3)
|
|
; CHECK-NEXT: tail call signext i32 @goo(i32 signext 2)
|
|
; CHECK: tail call signext i32 @goo(i32 signext 1)
|
|
; CHECK: tail call signext i32 @goo(i32 signext 0)
|
|
; CHECK: tail call signext i32 @goo(i32 signext 4)
|
|
; CHECK: ret i32
|
|
|
|
; Check that instsimplify is not doing this all on its own.
|
|
; CHECK-IO-LABEL: @far
|
|
; CHECK-IO: tail call signext i32 @goo(i32 signext 5)
|
|
; CHECK-IO: tail call signext i32 @goo(i32 signext 3)
|
|
; CHECK-IO: tail call signext i32 @goo(i32 signext 2)
|
|
; CHECK-IO: tail call signext i32 @goo(i32 signext 1)
|
|
; CHECK-IO: tail call signext i32 @goo(i32 signext 0)
|
|
; CHECK-IO: tail call signext i32 @goo(i32 signext 4)
|
|
; CHECK-IO: ret i32
|
|
}
|
|
|
|
declare signext i32 @goo(i32 signext) #1
|
|
|
|
; Function Attrs: nounwind readnone
|
|
define signext i32 @tar1(i32 signext %x) #0 {
|
|
entry:
|
|
%call = tail call signext i32 @foo(i32 signext 5) #0
|
|
%and = and i32 %call, 33554432
|
|
%or = or i32 %and, %x
|
|
%call1 = tail call signext i32 @foo(i32 signext 3) #0
|
|
%and2 = and i32 %call1, 67108864
|
|
%or3 = or i32 %or, %and2
|
|
%call4 = tail call signext i32 @foo(i32 signext 2) #0
|
|
%and5 = and i32 %call4, 16
|
|
%or6 = or i32 %or3, %and5
|
|
%call7 = tail call signext i32 @foo(i32 signext 1) #0
|
|
%and8 = and i32 %call7, 32
|
|
%or9 = or i32 %or6, %and8
|
|
%call10 = tail call signext i32 @foo(i32 signext 0) #0
|
|
%and11 = and i32 %call10, 64
|
|
%or12 = or i32 %or9, %and11
|
|
%call13 = tail call signext i32 @foo(i32 signext 4) #0
|
|
%and14 = and i32 %call13, 128
|
|
%or15 = or i32 %or12, %and14
|
|
%bs = tail call i32 @llvm.bswap.i32(i32 %or15) #0
|
|
%shr = ashr i32 %bs, 4
|
|
ret i32 %shr
|
|
|
|
; CHECK-LABEL: @tar1
|
|
; CHECK-NOT: tail call signext i32 @foo(i32 signext 5)
|
|
; CHECK-NOT: tail call signext i32 @foo(i32 signext 3)
|
|
; CHECK: tail call signext i32 @foo(i32 signext 2)
|
|
; CHECK: tail call signext i32 @foo(i32 signext 1)
|
|
; CHECK: tail call signext i32 @foo(i32 signext 0)
|
|
; CHECK: tail call signext i32 @foo(i32 signext 4)
|
|
; CHECK: ret i32
|
|
}
|
|
|
|
; Function Attrs: nounwind readnone
|
|
declare i32 @llvm.bswap.i32(i32) #0
|
|
|
|
; Function Attrs: nounwind readnone
|
|
define signext i32 @tim(i32 signext %x) #0 {
|
|
entry:
|
|
%call = tail call signext i32 @foo(i32 signext 5) #0
|
|
%and = and i32 %call, 536870912
|
|
%or = or i32 %and, %x
|
|
%call1 = tail call signext i32 @foo(i32 signext 3) #0
|
|
%and2 = and i32 %call1, 1073741824
|
|
%or3 = or i32 %or, %and2
|
|
%call4 = tail call signext i32 @foo(i32 signext 2) #0
|
|
%and5 = and i32 %call4, 16
|
|
%or6 = or i32 %or3, %and5
|
|
%call7 = tail call signext i32 @foo(i32 signext 1) #0
|
|
%and8 = and i32 %call7, 32
|
|
%or9 = or i32 %or6, %and8
|
|
%call10 = tail call signext i32 @foo(i32 signext 0) #0
|
|
%and11 = and i32 %call10, 64
|
|
%or12 = or i32 %or9, %and11
|
|
%call13 = tail call signext i32 @foo(i32 signext 4) #0
|
|
%and14 = and i32 %call13, 128
|
|
%or15 = or i32 %or12, %and14
|
|
%bs = tail call i32 @llvm.bitreverse.i32(i32 %or15) #0
|
|
%shr = ashr i32 %bs, 4
|
|
ret i32 %shr
|
|
|
|
; CHECK-LABEL: @tim
|
|
; CHECK-NOT: tail call signext i32 @foo(i32 signext 5)
|
|
; CHECK-NOT: tail call signext i32 @foo(i32 signext 3)
|
|
; CHECK: tail call signext i32 @foo(i32 signext 2)
|
|
; CHECK: tail call signext i32 @foo(i32 signext 1)
|
|
; CHECK: tail call signext i32 @foo(i32 signext 0)
|
|
; CHECK: tail call signext i32 @foo(i32 signext 4)
|
|
; CHECK: ret i32
|
|
}
|
|
|
|
; Function Attrs: nounwind readnone
|
|
declare i32 @llvm.bitreverse.i32(i32) #0
|
|
|
|
; Function Attrs: nounwind readnone
|
|
define signext i32 @tar2(i32 signext %x) #0 {
|
|
entry:
|
|
%call = tail call signext i32 @foo(i32 signext 5) #0
|
|
%and = and i32 %call, 33554432
|
|
%or = or i32 %and, %x
|
|
%call1 = tail call signext i32 @foo(i32 signext 3) #0
|
|
%and2 = and i32 %call1, 67108864
|
|
%or3 = or i32 %or, %and2
|
|
%call4 = tail call signext i32 @foo(i32 signext 2) #0
|
|
%and5 = and i32 %call4, 16
|
|
%or6 = or i32 %or3, %and5
|
|
%call7 = tail call signext i32 @foo(i32 signext 1) #0
|
|
%and8 = and i32 %call7, 32
|
|
%or9 = or i32 %or6, %and8
|
|
%call10 = tail call signext i32 @foo(i32 signext 0) #0
|
|
%and11 = and i32 %call10, 64
|
|
%or12 = or i32 %or9, %and11
|
|
%call13 = tail call signext i32 @foo(i32 signext 4) #0
|
|
%and14 = and i32 %call13, 128
|
|
%or15 = or i32 %or12, %and14
|
|
%shl = shl i32 %or15, 10
|
|
ret i32 %shl
|
|
|
|
; CHECK-LABEL: @tar2
|
|
; CHECK-NOT: tail call signext i32 @foo(i32 signext 5)
|
|
; CHECK-NOT: tail call signext i32 @foo(i32 signext 3)
|
|
; CHECK: tail call signext i32 @foo(i32 signext 2)
|
|
; CHECK: tail call signext i32 @foo(i32 signext 1)
|
|
; CHECK: tail call signext i32 @foo(i32 signext 0)
|
|
; CHECK: tail call signext i32 @foo(i32 signext 4)
|
|
; CHECK: ret i32
|
|
}
|
|
|
|
; Function Attrs: nounwind readnone
|
|
define signext i32 @tar3(i32 signext %x) #0 {
|
|
entry:
|
|
%call = tail call signext i32 @foo(i32 signext 5) #0
|
|
%and = and i32 %call, 33554432
|
|
%or = or i32 %and, %x
|
|
%call1 = tail call signext i32 @foo(i32 signext 3) #0
|
|
%and2 = and i32 %call1, 67108864
|
|
%or3 = or i32 %or, %and2
|
|
%call4 = tail call signext i32 @foo(i32 signext 2) #0
|
|
%and5 = and i32 %call4, 16
|
|
%or6 = or i32 %or3, %and5
|
|
%call7 = tail call signext i32 @foo(i32 signext 1) #0
|
|
%and8 = and i32 %call7, 32
|
|
%or9 = or i32 %or6, %and8
|
|
%call10 = tail call signext i32 @foo(i32 signext 0) #0
|
|
%and11 = and i32 %call10, 64
|
|
%or12 = or i32 %or9, %and11
|
|
%call13 = tail call signext i32 @foo(i32 signext 4) #0
|
|
%and14 = and i32 %call13, 128
|
|
%or15 = or i32 %or12, %and14
|
|
%add = add i32 %or15, 5
|
|
%shl = shl i32 %add, 10
|
|
ret i32 %shl
|
|
|
|
; CHECK-LABEL: @tar3
|
|
; CHECK-NOT: tail call signext i32 @foo(i32 signext 5)
|
|
; CHECK-NOT: tail call signext i32 @foo(i32 signext 3)
|
|
; CHECK: tail call signext i32 @foo(i32 signext 2)
|
|
; CHECK: tail call signext i32 @foo(i32 signext 1)
|
|
; CHECK: tail call signext i32 @foo(i32 signext 0)
|
|
; CHECK: tail call signext i32 @foo(i32 signext 4)
|
|
; CHECK: ret i32
|
|
}
|
|
|
|
; Function Attrs: nounwind readnone
|
|
define signext i32 @tar4(i32 signext %x) #0 {
|
|
entry:
|
|
%call = tail call signext i32 @foo(i32 signext 5) #0
|
|
%and = and i32 %call, 33554432
|
|
%or = or i32 %and, %x
|
|
%call1 = tail call signext i32 @foo(i32 signext 3) #0
|
|
%and2 = and i32 %call1, 67108864
|
|
%or3 = or i32 %or, %and2
|
|
%call4 = tail call signext i32 @foo(i32 signext 2) #0
|
|
%and5 = and i32 %call4, 16
|
|
%or6 = or i32 %or3, %and5
|
|
%call7 = tail call signext i32 @foo(i32 signext 1) #0
|
|
%and8 = and i32 %call7, 32
|
|
%or9 = or i32 %or6, %and8
|
|
%call10 = tail call signext i32 @foo(i32 signext 0) #0
|
|
%and11 = and i32 %call10, 64
|
|
%or12 = or i32 %or9, %and11
|
|
%call13 = tail call signext i32 @foo(i32 signext 4) #0
|
|
%and14 = and i32 %call13, 128
|
|
%or15 = or i32 %or12, %and14
|
|
%sub = sub i32 %or15, 5
|
|
%shl = shl i32 %sub, 10
|
|
ret i32 %shl
|
|
|
|
; CHECK-LABEL: @tar4
|
|
; CHECK-NOT: tail call signext i32 @foo(i32 signext 5)
|
|
; CHECK-NOT: tail call signext i32 @foo(i32 signext 3)
|
|
; CHECK: tail call signext i32 @foo(i32 signext 2)
|
|
; CHECK: tail call signext i32 @foo(i32 signext 1)
|
|
; CHECK: tail call signext i32 @foo(i32 signext 0)
|
|
; CHECK: tail call signext i32 @foo(i32 signext 4)
|
|
; CHECK: ret i32
|
|
}
|
|
|
|
; Function Attrs: nounwind readnone
|
|
define signext i32 @tar5(i32 signext %x) #0 {
|
|
entry:
|
|
%call = tail call signext i32 @foo(i32 signext 5) #0
|
|
%and = and i32 %call, 33554432
|
|
%or = or i32 %and, %x
|
|
%call1 = tail call signext i32 @foo(i32 signext 3) #0
|
|
%and2 = and i32 %call1, 67108864
|
|
%or3 = or i32 %or, %and2
|
|
%call4 = tail call signext i32 @foo(i32 signext 2) #0
|
|
%and5 = and i32 %call4, 16
|
|
%or6 = or i32 %or3, %and5
|
|
%call7 = tail call signext i32 @foo(i32 signext 1) #0
|
|
%and8 = and i32 %call7, 32
|
|
%or9 = or i32 %or6, %and8
|
|
%call10 = tail call signext i32 @foo(i32 signext 0) #0
|
|
%and11 = and i32 %call10, 64
|
|
%or12 = or i32 %or9, %and11
|
|
%call13 = tail call signext i32 @foo(i32 signext 4) #0
|
|
%and14 = and i32 %call13, 128
|
|
%or15 = or i32 %or12, %and14
|
|
%xor = xor i32 %or15, 5
|
|
%shl = shl i32 %xor, 10
|
|
ret i32 %shl
|
|
|
|
; CHECK-LABEL: @tar5
|
|
; CHECK-NOT: tail call signext i32 @foo(i32 signext 5)
|
|
; CHECK-NOT: tail call signext i32 @foo(i32 signext 3)
|
|
; CHECK: tail call signext i32 @foo(i32 signext 2)
|
|
; CHECK: tail call signext i32 @foo(i32 signext 1)
|
|
; CHECK: tail call signext i32 @foo(i32 signext 0)
|
|
; CHECK: tail call signext i32 @foo(i32 signext 4)
|
|
; CHECK: ret i32
|
|
}
|
|
|
|
; Function Attrs: nounwind readnone
|
|
define signext i32 @tar7(i32 signext %x, i1 %b) #0 {
|
|
entry:
|
|
%call = tail call signext i32 @foo(i32 signext 5) #0
|
|
%and = and i32 %call, 33554432
|
|
%or = or i32 %and, %x
|
|
%call1 = tail call signext i32 @foo(i32 signext 3) #0
|
|
%and2 = and i32 %call1, 67108864
|
|
%or3 = or i32 %or, %and2
|
|
%call4 = tail call signext i32 @foo(i32 signext 2) #0
|
|
%and5 = and i32 %call4, 16
|
|
%or6 = or i32 %or3, %and5
|
|
%call7 = tail call signext i32 @foo(i32 signext 1) #0
|
|
%and8 = and i32 %call7, 32
|
|
%or9 = or i32 %or6, %and8
|
|
%call10 = tail call signext i32 @foo(i32 signext 0) #0
|
|
%and11 = and i32 %call10, 64
|
|
%or12 = or i32 %or9, %and11
|
|
%call13 = tail call signext i32 @foo(i32 signext 4) #0
|
|
%and14 = and i32 %call13, 128
|
|
%or15 = or i32 %or12, %and14
|
|
%v = select i1 %b, i32 %or15, i32 5
|
|
%shl = shl i32 %v, 10
|
|
ret i32 %shl
|
|
|
|
; CHECK-LABEL: @tar7
|
|
; CHECK-NOT: tail call signext i32 @foo(i32 signext 5)
|
|
; CHECK-NOT: tail call signext i32 @foo(i32 signext 3)
|
|
; CHECK: tail call signext i32 @foo(i32 signext 2)
|
|
; CHECK: tail call signext i32 @foo(i32 signext 1)
|
|
; CHECK: tail call signext i32 @foo(i32 signext 0)
|
|
; CHECK: tail call signext i32 @foo(i32 signext 4)
|
|
; CHECK: ret i32
|
|
}
|
|
|
|
; Function Attrs: nounwind readnone
|
|
define signext i16 @tar8(i32 signext %x) #0 {
|
|
entry:
|
|
%call = tail call signext i32 @foo(i32 signext 5) #0
|
|
%and = and i32 %call, 33554432
|
|
%or = or i32 %and, %x
|
|
%call1 = tail call signext i32 @foo(i32 signext 3) #0
|
|
%and2 = and i32 %call1, 67108864
|
|
%or3 = or i32 %or, %and2
|
|
%call4 = tail call signext i32 @foo(i32 signext 2) #0
|
|
%and5 = and i32 %call4, 16
|
|
%or6 = or i32 %or3, %and5
|
|
%call7 = tail call signext i32 @foo(i32 signext 1) #0
|
|
%and8 = and i32 %call7, 32
|
|
%or9 = or i32 %or6, %and8
|
|
%call10 = tail call signext i32 @foo(i32 signext 0) #0
|
|
%and11 = and i32 %call10, 64
|
|
%or12 = or i32 %or9, %and11
|
|
%call13 = tail call signext i32 @foo(i32 signext 4) #0
|
|
%and14 = and i32 %call13, 128
|
|
%or15 = or i32 %or12, %and14
|
|
%tr = trunc i32 %or15 to i16
|
|
ret i16 %tr
|
|
|
|
; CHECK-LABEL: @tar8
|
|
; CHECK-NOT: tail call signext i32 @foo(i32 signext 5)
|
|
; CHECK-NOT: tail call signext i32 @foo(i32 signext 3)
|
|
; CHECK: tail call signext i32 @foo(i32 signext 2)
|
|
; CHECK: tail call signext i32 @foo(i32 signext 1)
|
|
; CHECK: tail call signext i32 @foo(i32 signext 0)
|
|
; CHECK: tail call signext i32 @foo(i32 signext 4)
|
|
; CHECK: ret i16
|
|
}
|
|
|
|
; DEBUGIFY-LABEL: @tar9
|
|
define signext i16 @tar9(i32 signext %x) #0 {
|
|
entry:
|
|
%call = tail call signext i32 @foo(i32 signext 5) #0
|
|
%and = and i32 %call, 33554432
|
|
; DEBUGIFY: call void @llvm.dbg.value(metadata i32 %call, metadata {{.*}}, metadata !DIExpression(DW_OP_constu, 33554432, DW_OP_and, DW_OP_stack_value))
|
|
%cast = trunc i32 %call to i16
|
|
ret i16 %cast
|
|
}
|
|
|
|
attributes #0 = { nounwind readnone }
|
|
attributes #1 = { nounwind }
|
|
|