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8e4adad70b
alloca-dbgdeclare-merge.ll: alloca-merge-align.ll: array_merge.ll: NPM inliner does not merge allocas delete-call.ll: NPM inliner does not delete readonly calls externally_available.ll: NPM inliner does not delete available_externally functions inline-cold-callee.ll: inline-hot-callee.ll: inline-hot-callee.ll has a comment saying it only applies to legacy PM, I assume same for inline-cold-callee.ll devirtualize-2.ll: inline-hot-callsite: monster_scc.ll: pr22285.ll: already has legacy and new PM RUN lines inline-cold.ll: profile-summary required to see callee as cold prof-update-sample.ll: profile-summary required to update branch_weights Reviewed By: davidxl Differential Revision: https://reviews.llvm.org/D89093
192 lines
5.9 KiB
LLVM
192 lines
5.9 KiB
LLVM
; RUN: opt < %s -inline -S -inlinecold-threshold=25 -enable-new-pm=0 | FileCheck %s
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; RUN: opt < %s -passes='require<profile-summary>,cgscc(inline)' -S -inlinecold-threshold=25 | FileCheck %s
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; Test that functions with attribute Cold are not inlined while the
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; same function without attribute Cold will be inlined.
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; RUN: opt < %s -inline -S -inline-threshold=600 -enable-new-pm=0 | FileCheck %s -check-prefix=OVERRIDE
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; RUN: opt < %s -passes='require<profile-summary>,cgscc(inline)' -S -inline-threshold=600 -enable-new-pm=0 | FileCheck %s -check-prefix=OVERRIDE
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; The command line argument for inline-threshold should override
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; the default cold threshold, so a cold function with size bigger
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; than the default cold threshold (225) will be inlined.
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; RUN: opt < %s -inline -S -enable-new-pm=0 | FileCheck %s -check-prefix=DEFAULT
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; RUN: opt < %s -passes='require<profile-summary>,cgscc(inline)' -S | FileCheck %s -check-prefix=DEFAULT
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; The same cold function will not be inlined with the default behavior.
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@a = global i32 4
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; This function should be larger than the cold threshold (75), but smaller
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; than the regular threshold.
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; Function Attrs: nounwind readnone uwtable
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define i32 @simpleFunction(i32 %a) #0 {
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entry:
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call void @extern()
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%a1 = load volatile i32, i32* @a
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%x1 = add i32 %a1, %a1
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%a2 = load volatile i32, i32* @a
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%x2 = add i32 %x1, %a2
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%a3 = load volatile i32, i32* @a
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%x3 = add i32 %x2, %a3
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%a4 = load volatile i32, i32* @a
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%x4 = add i32 %x3, %a4
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%a5 = load volatile i32, i32* @a
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%x5 = add i32 %x4, %a5
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%a6 = load volatile i32, i32* @a
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%x6 = add i32 %x5, %a6
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%a7 = load volatile i32, i32* @a
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%x7 = add i32 %x6, %a6
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%a8 = load volatile i32, i32* @a
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%x8 = add i32 %x7, %a8
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%a9 = load volatile i32, i32* @a
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%x9 = add i32 %x8, %a9
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%a10 = load volatile i32, i32* @a
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%x10 = add i32 %x9, %a10
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%a11 = load volatile i32, i32* @a
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%x11 = add i32 %x10, %a11
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%a12 = load volatile i32, i32* @a
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%x12 = add i32 %x11, %a12
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%add = add i32 %x12, %a
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ret i32 %add
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}
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; Function Attrs: nounwind cold readnone uwtable
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define i32 @ColdFunction(i32 %a) #1 {
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; CHECK-LABEL: @ColdFunction
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; CHECK: ret
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; OVERRIDE-LABEL: @ColdFunction
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; OVERRIDE: ret
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; DEFAULT-LABEL: @ColdFunction
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; DEFAULT: ret
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entry:
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call void @extern()
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%a1 = load volatile i32, i32* @a
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%x1 = add i32 %a1, %a1
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%a2 = load volatile i32, i32* @a
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%x2 = add i32 %x1, %a2
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%a3 = load volatile i32, i32* @a
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%x3 = add i32 %x2, %a3
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%a4 = load volatile i32, i32* @a
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%x4 = add i32 %x3, %a4
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%add = add i32 %x4, %a
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ret i32 %add
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}
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; This function should be larger than the default cold threshold (225).
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define i32 @ColdFunction2(i32 %a) #1 {
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; CHECK-LABEL: @ColdFunction2
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; CHECK: ret
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; OVERRIDE-LABEL: @ColdFunction2
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; OVERRIDE: ret
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; DEFAULT-LABEL: @ColdFunction2
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; DEFAULT: ret
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entry:
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call void @extern()
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%a1 = load volatile i32, i32* @a
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%x1 = add i32 %a1, %a1
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%a2 = load volatile i32, i32* @a
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%x2 = add i32 %x1, %a2
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%a3 = load volatile i32, i32* @a
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%x3 = add i32 %x2, %a3
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%a4 = load volatile i32, i32* @a
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%x4 = add i32 %x3, %a4
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%a5 = load volatile i32, i32* @a
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%x5 = add i32 %x4, %a5
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%a6 = load volatile i32, i32* @a
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%x6 = add i32 %x5, %a6
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%a7 = load volatile i32, i32* @a
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%x7 = add i32 %x6, %a7
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%a8 = load volatile i32, i32* @a
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%x8 = add i32 %x7, %a8
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%a9 = load volatile i32, i32* @a
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%x9 = add i32 %x8, %a9
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%a10 = load volatile i32, i32* @a
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%x10 = add i32 %x9, %a10
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%a11 = load volatile i32, i32* @a
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%x11 = add i32 %x10, %a11
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%a12 = load volatile i32, i32* @a
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%x12 = add i32 %x11, %a12
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%a21 = load volatile i32, i32* @a
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%x21 = add i32 %x12, %a21
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%a22 = load volatile i32, i32* @a
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%x22 = add i32 %x21, %a22
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%a23 = load volatile i32, i32* @a
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%x23 = add i32 %x22, %a23
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%a24 = load volatile i32, i32* @a
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%x24 = add i32 %x23, %a24
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%a25 = load volatile i32, i32* @a
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%x25 = add i32 %x24, %a25
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%a26 = load volatile i32, i32* @a
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%x26 = add i32 %x25, %a26
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%a27 = load volatile i32, i32* @a
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%x27 = add i32 %x26, %a27
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%a28 = load volatile i32, i32* @a
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%x28 = add i32 %x27, %a28
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%a29 = load volatile i32, i32* @a
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%x29 = add i32 %x28, %a29
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%a30 = load volatile i32, i32* @a
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%x30 = add i32 %x29, %a30
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%a31 = load volatile i32, i32* @a
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%x31 = add i32 %x30, %a31
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%a32 = load volatile i32, i32* @a
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%x32 = add i32 %x31, %a32
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%a41 = load volatile i32, i32* @a
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%x41 = add i32 %x32, %a41
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%a42 = load volatile i32, i32* @a
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%x42 = add i32 %x41, %a42
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%a43 = load volatile i32, i32* @a
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%x43 = add i32 %x42, %a43
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%a44 = load volatile i32, i32* @a
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%x44 = add i32 %x43, %a44
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%a45 = load volatile i32, i32* @a
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%x45 = add i32 %x44, %a45
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%a46 = load volatile i32, i32* @a
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%x46 = add i32 %x45, %a46
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%a47 = load volatile i32, i32* @a
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%x47 = add i32 %x46, %a47
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%a48 = load volatile i32, i32* @a
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%x48 = add i32 %x47, %a48
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%a49 = load volatile i32, i32* @a
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%x49 = add i32 %x48, %a49
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%a50 = load volatile i32, i32* @a
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%x50 = add i32 %x49, %a50
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%a51 = load volatile i32, i32* @a
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%x51 = add i32 %x50, %a51
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%a52 = load volatile i32, i32* @a
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%x52 = add i32 %x51, %a52
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%add = add i32 %x52, %a
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ret i32 %add
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}
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; Function Attrs: nounwind readnone uwtable
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define i32 @bar(i32 %a) #0 {
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; CHECK-LABEL: @bar
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; CHECK: call i32 @ColdFunction(i32 5)
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; CHECK-NOT: call i32 @simpleFunction(i32 6)
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; CHECK: call i32 @ColdFunction2(i32 5)
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; CHECK: ret
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; OVERRIDE-LABEL: @bar
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; OVERRIDE-NOT: call i32 @ColdFunction(i32 5)
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; OVERRIDE-NOT: call i32 @simpleFunction(i32 6)
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; OVERRIDE-NOT: call i32 @ColdFunction2(i32 5)
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; OVERRIDE: ret
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; DEFAULT-LABEL: @bar
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; DEFAULT-NOT: call i32 @ColdFunction(i32 5)
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; DEFAULT-NOT: call i32 @simpleFunction(i32 6)
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; DEFAULT: call i32 @ColdFunction2(i32 5)
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; DEFAULT: ret
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entry:
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%0 = tail call i32 @ColdFunction(i32 5)
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%1 = tail call i32 @simpleFunction(i32 6)
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%2 = tail call i32 @ColdFunction2(i32 5)
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%3 = add i32 %0, %1
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%add = add i32 %2, %3
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ret i32 %add
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}
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declare void @extern()
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attributes #0 = { nounwind readnone uwtable }
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attributes #1 = { nounwind cold readnone uwtable }
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