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a62270de2c
The reversion apparently deleted the test/Transforms directory. Will be re-reverting again. llvm-svn: 358552
398 lines
14 KiB
LLVM
398 lines
14 KiB
LLVM
; RUN: opt -S -bdce -instsimplify < %s | FileCheck %s
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; RUN: opt -S -instsimplify < %s | FileCheck %s -check-prefix=CHECK-IO
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; RUN: opt -S -debugify -bdce < %s | FileCheck %s -check-prefix=DEBUGIFY
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target datalayout = "E-m:e-i64:64-n32:64"
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target triple = "powerpc64-unknown-linux-gnu"
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; Function Attrs: nounwind readnone
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define signext i32 @bar(i32 signext %x) #0 {
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entry:
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%call = tail call signext i32 @foo(i32 signext 5) #0
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%and = and i32 %call, 4
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%or = or i32 %and, %x
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%call1 = tail call signext i32 @foo(i32 signext 3) #0
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%and2 = and i32 %call1, 8
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%or3 = or i32 %or, %and2
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%call4 = tail call signext i32 @foo(i32 signext 2) #0
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%and5 = and i32 %call4, 16
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%or6 = or i32 %or3, %and5
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%call7 = tail call signext i32 @foo(i32 signext 1) #0
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%and8 = and i32 %call7, 32
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%or9 = or i32 %or6, %and8
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%call10 = tail call signext i32 @foo(i32 signext 0) #0
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%and11 = and i32 %call10, 64
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%or12 = or i32 %or9, %and11
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%call13 = tail call signext i32 @foo(i32 signext 4) #0
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%and14 = and i32 %call13, 128
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%or15 = or i32 %or12, %and14
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%shr = ashr i32 %or15, 4
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ret i32 %shr
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; CHECK-LABEL: @bar
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; CHECK-NOT: tail call signext i32 @foo(i32 signext 5)
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; CHECK-NOT: tail call signext i32 @foo(i32 signext 3)
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; CHECK: tail call signext i32 @foo(i32 signext 2)
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; CHECK: tail call signext i32 @foo(i32 signext 1)
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; CHECK: tail call signext i32 @foo(i32 signext 0)
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; CHECK: tail call signext i32 @foo(i32 signext 4)
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; CHECK: ret i32
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; Check that instsimplify is not doing this all on its own.
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; CHECK-IO-LABEL: @bar
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; CHECK-IO: tail call signext i32 @foo(i32 signext 5)
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; CHECK-IO: tail call signext i32 @foo(i32 signext 3)
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; CHECK-IO: tail call signext i32 @foo(i32 signext 2)
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; CHECK-IO: tail call signext i32 @foo(i32 signext 1)
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; CHECK-IO: tail call signext i32 @foo(i32 signext 0)
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; CHECK-IO: tail call signext i32 @foo(i32 signext 4)
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; CHECK-IO: ret i32
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}
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; Function Attrs: nounwind readnone
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declare signext i32 @foo(i32 signext) #0
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; Function Attrs: nounwind readnone
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define signext i32 @far(i32 signext %x) #1 {
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entry:
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%call = tail call signext i32 @goo(i32 signext 5) #1
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%and = and i32 %call, 4
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%or = or i32 %and, %x
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%call1 = tail call signext i32 @goo(i32 signext 3) #1
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%and2 = and i32 %call1, 8
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%or3 = or i32 %or, %and2
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%call4 = tail call signext i32 @goo(i32 signext 2) #1
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%and5 = and i32 %call4, 16
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%or6 = or i32 %or3, %and5
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%call7 = tail call signext i32 @goo(i32 signext 1) #1
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%and8 = and i32 %call7, 32
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%or9 = or i32 %or6, %and8
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%call10 = tail call signext i32 @goo(i32 signext 0) #1
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%and11 = and i32 %call10, 64
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%or12 = or i32 %or9, %and11
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%call13 = tail call signext i32 @goo(i32 signext 4) #1
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%and14 = and i32 %call13, 128
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%or15 = or i32 %or12, %and14
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%shr = ashr i32 %or15, 4
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ret i32 %shr
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; CHECK-LABEL: @far
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; Calls to foo(5) and foo(3) are still there, but their results are not used.
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; CHECK: tail call signext i32 @goo(i32 signext 5)
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; CHECK-NEXT: tail call signext i32 @goo(i32 signext 3)
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; CHECK-NEXT: tail call signext i32 @goo(i32 signext 2)
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; CHECK: tail call signext i32 @goo(i32 signext 1)
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; CHECK: tail call signext i32 @goo(i32 signext 0)
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; CHECK: tail call signext i32 @goo(i32 signext 4)
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; CHECK: ret i32
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; Check that instsimplify is not doing this all on its own.
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; CHECK-IO-LABEL: @far
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; CHECK-IO: tail call signext i32 @goo(i32 signext 5)
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; CHECK-IO: tail call signext i32 @goo(i32 signext 3)
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; CHECK-IO: tail call signext i32 @goo(i32 signext 2)
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; CHECK-IO: tail call signext i32 @goo(i32 signext 1)
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; CHECK-IO: tail call signext i32 @goo(i32 signext 0)
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; CHECK-IO: tail call signext i32 @goo(i32 signext 4)
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; CHECK-IO: ret i32
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}
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declare signext i32 @goo(i32 signext) #1
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; Function Attrs: nounwind readnone
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define signext i32 @tar1(i32 signext %x) #0 {
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entry:
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%call = tail call signext i32 @foo(i32 signext 5) #0
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%and = and i32 %call, 33554432
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%or = or i32 %and, %x
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%call1 = tail call signext i32 @foo(i32 signext 3) #0
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%and2 = and i32 %call1, 67108864
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%or3 = or i32 %or, %and2
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%call4 = tail call signext i32 @foo(i32 signext 2) #0
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%and5 = and i32 %call4, 16
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%or6 = or i32 %or3, %and5
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%call7 = tail call signext i32 @foo(i32 signext 1) #0
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%and8 = and i32 %call7, 32
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%or9 = or i32 %or6, %and8
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%call10 = tail call signext i32 @foo(i32 signext 0) #0
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%and11 = and i32 %call10, 64
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%or12 = or i32 %or9, %and11
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%call13 = tail call signext i32 @foo(i32 signext 4) #0
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%and14 = and i32 %call13, 128
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%or15 = or i32 %or12, %and14
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%bs = tail call i32 @llvm.bswap.i32(i32 %or15) #0
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%shr = ashr i32 %bs, 4
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ret i32 %shr
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; CHECK-LABEL: @tar1
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; CHECK-NOT: tail call signext i32 @foo(i32 signext 5)
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; CHECK-NOT: tail call signext i32 @foo(i32 signext 3)
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; CHECK: tail call signext i32 @foo(i32 signext 2)
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; CHECK: tail call signext i32 @foo(i32 signext 1)
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; CHECK: tail call signext i32 @foo(i32 signext 0)
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; CHECK: tail call signext i32 @foo(i32 signext 4)
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; CHECK: ret i32
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}
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; Function Attrs: nounwind readnone
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declare i32 @llvm.bswap.i32(i32) #0
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; Function Attrs: nounwind readnone
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define signext i32 @tim(i32 signext %x) #0 {
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entry:
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%call = tail call signext i32 @foo(i32 signext 5) #0
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%and = and i32 %call, 536870912
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%or = or i32 %and, %x
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%call1 = tail call signext i32 @foo(i32 signext 3) #0
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%and2 = and i32 %call1, 1073741824
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%or3 = or i32 %or, %and2
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%call4 = tail call signext i32 @foo(i32 signext 2) #0
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%and5 = and i32 %call4, 16
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%or6 = or i32 %or3, %and5
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%call7 = tail call signext i32 @foo(i32 signext 1) #0
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%and8 = and i32 %call7, 32
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%or9 = or i32 %or6, %and8
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%call10 = tail call signext i32 @foo(i32 signext 0) #0
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%and11 = and i32 %call10, 64
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%or12 = or i32 %or9, %and11
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%call13 = tail call signext i32 @foo(i32 signext 4) #0
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%and14 = and i32 %call13, 128
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%or15 = or i32 %or12, %and14
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%bs = tail call i32 @llvm.bitreverse.i32(i32 %or15) #0
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%shr = ashr i32 %bs, 4
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ret i32 %shr
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; CHECK-LABEL: @tim
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; CHECK-NOT: tail call signext i32 @foo(i32 signext 5)
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; CHECK-NOT: tail call signext i32 @foo(i32 signext 3)
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; CHECK: tail call signext i32 @foo(i32 signext 2)
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; CHECK: tail call signext i32 @foo(i32 signext 1)
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; CHECK: tail call signext i32 @foo(i32 signext 0)
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; CHECK: tail call signext i32 @foo(i32 signext 4)
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; CHECK: ret i32
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}
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; Function Attrs: nounwind readnone
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declare i32 @llvm.bitreverse.i32(i32) #0
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; Function Attrs: nounwind readnone
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define signext i32 @tar2(i32 signext %x) #0 {
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entry:
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%call = tail call signext i32 @foo(i32 signext 5) #0
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%and = and i32 %call, 33554432
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%or = or i32 %and, %x
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%call1 = tail call signext i32 @foo(i32 signext 3) #0
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%and2 = and i32 %call1, 67108864
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%or3 = or i32 %or, %and2
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%call4 = tail call signext i32 @foo(i32 signext 2) #0
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%and5 = and i32 %call4, 16
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%or6 = or i32 %or3, %and5
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%call7 = tail call signext i32 @foo(i32 signext 1) #0
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%and8 = and i32 %call7, 32
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%or9 = or i32 %or6, %and8
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%call10 = tail call signext i32 @foo(i32 signext 0) #0
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%and11 = and i32 %call10, 64
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%or12 = or i32 %or9, %and11
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%call13 = tail call signext i32 @foo(i32 signext 4) #0
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%and14 = and i32 %call13, 128
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%or15 = or i32 %or12, %and14
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%shl = shl i32 %or15, 10
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ret i32 %shl
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; CHECK-LABEL: @tar2
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; CHECK-NOT: tail call signext i32 @foo(i32 signext 5)
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; CHECK-NOT: tail call signext i32 @foo(i32 signext 3)
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; CHECK: tail call signext i32 @foo(i32 signext 2)
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; CHECK: tail call signext i32 @foo(i32 signext 1)
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; CHECK: tail call signext i32 @foo(i32 signext 0)
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; CHECK: tail call signext i32 @foo(i32 signext 4)
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; CHECK: ret i32
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}
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; Function Attrs: nounwind readnone
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define signext i32 @tar3(i32 signext %x) #0 {
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entry:
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%call = tail call signext i32 @foo(i32 signext 5) #0
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%and = and i32 %call, 33554432
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%or = or i32 %and, %x
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%call1 = tail call signext i32 @foo(i32 signext 3) #0
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%and2 = and i32 %call1, 67108864
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%or3 = or i32 %or, %and2
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%call4 = tail call signext i32 @foo(i32 signext 2) #0
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%and5 = and i32 %call4, 16
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%or6 = or i32 %or3, %and5
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%call7 = tail call signext i32 @foo(i32 signext 1) #0
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%and8 = and i32 %call7, 32
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%or9 = or i32 %or6, %and8
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%call10 = tail call signext i32 @foo(i32 signext 0) #0
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%and11 = and i32 %call10, 64
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%or12 = or i32 %or9, %and11
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%call13 = tail call signext i32 @foo(i32 signext 4) #0
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%and14 = and i32 %call13, 128
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%or15 = or i32 %or12, %and14
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%add = add i32 %or15, 5
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%shl = shl i32 %add, 10
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ret i32 %shl
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; CHECK-LABEL: @tar3
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; CHECK-NOT: tail call signext i32 @foo(i32 signext 5)
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; CHECK-NOT: tail call signext i32 @foo(i32 signext 3)
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; CHECK: tail call signext i32 @foo(i32 signext 2)
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; CHECK: tail call signext i32 @foo(i32 signext 1)
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; CHECK: tail call signext i32 @foo(i32 signext 0)
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; CHECK: tail call signext i32 @foo(i32 signext 4)
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; CHECK: ret i32
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}
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; Function Attrs: nounwind readnone
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define signext i32 @tar4(i32 signext %x) #0 {
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entry:
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%call = tail call signext i32 @foo(i32 signext 5) #0
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%and = and i32 %call, 33554432
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%or = or i32 %and, %x
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%call1 = tail call signext i32 @foo(i32 signext 3) #0
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%and2 = and i32 %call1, 67108864
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%or3 = or i32 %or, %and2
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%call4 = tail call signext i32 @foo(i32 signext 2) #0
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%and5 = and i32 %call4, 16
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%or6 = or i32 %or3, %and5
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%call7 = tail call signext i32 @foo(i32 signext 1) #0
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%and8 = and i32 %call7, 32
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%or9 = or i32 %or6, %and8
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%call10 = tail call signext i32 @foo(i32 signext 0) #0
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%and11 = and i32 %call10, 64
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%or12 = or i32 %or9, %and11
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%call13 = tail call signext i32 @foo(i32 signext 4) #0
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%and14 = and i32 %call13, 128
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%or15 = or i32 %or12, %and14
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%sub = sub i32 %or15, 5
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%shl = shl i32 %sub, 10
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ret i32 %shl
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; CHECK-LABEL: @tar4
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; CHECK-NOT: tail call signext i32 @foo(i32 signext 5)
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; CHECK-NOT: tail call signext i32 @foo(i32 signext 3)
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; CHECK: tail call signext i32 @foo(i32 signext 2)
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; CHECK: tail call signext i32 @foo(i32 signext 1)
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; CHECK: tail call signext i32 @foo(i32 signext 0)
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; CHECK: tail call signext i32 @foo(i32 signext 4)
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; CHECK: ret i32
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}
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; Function Attrs: nounwind readnone
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define signext i32 @tar5(i32 signext %x) #0 {
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entry:
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%call = tail call signext i32 @foo(i32 signext 5) #0
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%and = and i32 %call, 33554432
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%or = or i32 %and, %x
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%call1 = tail call signext i32 @foo(i32 signext 3) #0
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%and2 = and i32 %call1, 67108864
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%or3 = or i32 %or, %and2
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%call4 = tail call signext i32 @foo(i32 signext 2) #0
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%and5 = and i32 %call4, 16
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%or6 = or i32 %or3, %and5
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%call7 = tail call signext i32 @foo(i32 signext 1) #0
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%and8 = and i32 %call7, 32
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%or9 = or i32 %or6, %and8
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%call10 = tail call signext i32 @foo(i32 signext 0) #0
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%and11 = and i32 %call10, 64
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%or12 = or i32 %or9, %and11
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%call13 = tail call signext i32 @foo(i32 signext 4) #0
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%and14 = and i32 %call13, 128
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%or15 = or i32 %or12, %and14
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%xor = xor i32 %or15, 5
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%shl = shl i32 %xor, 10
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ret i32 %shl
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; CHECK-LABEL: @tar5
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; CHECK-NOT: tail call signext i32 @foo(i32 signext 5)
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; CHECK-NOT: tail call signext i32 @foo(i32 signext 3)
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; CHECK: tail call signext i32 @foo(i32 signext 2)
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; CHECK: tail call signext i32 @foo(i32 signext 1)
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; CHECK: tail call signext i32 @foo(i32 signext 0)
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; CHECK: tail call signext i32 @foo(i32 signext 4)
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; CHECK: ret i32
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}
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; Function Attrs: nounwind readnone
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define signext i32 @tar7(i32 signext %x, i1 %b) #0 {
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entry:
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%call = tail call signext i32 @foo(i32 signext 5) #0
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%and = and i32 %call, 33554432
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%or = or i32 %and, %x
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%call1 = tail call signext i32 @foo(i32 signext 3) #0
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%and2 = and i32 %call1, 67108864
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%or3 = or i32 %or, %and2
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%call4 = tail call signext i32 @foo(i32 signext 2) #0
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%and5 = and i32 %call4, 16
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%or6 = or i32 %or3, %and5
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%call7 = tail call signext i32 @foo(i32 signext 1) #0
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%and8 = and i32 %call7, 32
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%or9 = or i32 %or6, %and8
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%call10 = tail call signext i32 @foo(i32 signext 0) #0
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%and11 = and i32 %call10, 64
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%or12 = or i32 %or9, %and11
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%call13 = tail call signext i32 @foo(i32 signext 4) #0
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%and14 = and i32 %call13, 128
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%or15 = or i32 %or12, %and14
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%v = select i1 %b, i32 %or15, i32 5
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%shl = shl i32 %v, 10
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ret i32 %shl
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; CHECK-LABEL: @tar7
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; CHECK-NOT: tail call signext i32 @foo(i32 signext 5)
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; CHECK-NOT: tail call signext i32 @foo(i32 signext 3)
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; CHECK: tail call signext i32 @foo(i32 signext 2)
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; CHECK: tail call signext i32 @foo(i32 signext 1)
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; CHECK: tail call signext i32 @foo(i32 signext 0)
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; CHECK: tail call signext i32 @foo(i32 signext 4)
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; CHECK: ret i32
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}
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; Function Attrs: nounwind readnone
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define signext i16 @tar8(i32 signext %x) #0 {
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entry:
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%call = tail call signext i32 @foo(i32 signext 5) #0
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%and = and i32 %call, 33554432
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%or = or i32 %and, %x
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%call1 = tail call signext i32 @foo(i32 signext 3) #0
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%and2 = and i32 %call1, 67108864
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%or3 = or i32 %or, %and2
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%call4 = tail call signext i32 @foo(i32 signext 2) #0
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%and5 = and i32 %call4, 16
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%or6 = or i32 %or3, %and5
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%call7 = tail call signext i32 @foo(i32 signext 1) #0
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%and8 = and i32 %call7, 32
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%or9 = or i32 %or6, %and8
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%call10 = tail call signext i32 @foo(i32 signext 0) #0
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%and11 = and i32 %call10, 64
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%or12 = or i32 %or9, %and11
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%call13 = tail call signext i32 @foo(i32 signext 4) #0
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%and14 = and i32 %call13, 128
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%or15 = or i32 %or12, %and14
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%tr = trunc i32 %or15 to i16
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ret i16 %tr
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; CHECK-LABEL: @tar8
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; CHECK-NOT: tail call signext i32 @foo(i32 signext 5)
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; 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 }
|
|
|