; RUN: opt < %s -inline -S -inlinecold-threshold=75 | FileCheck %s
-
; Test that functions with attribute Cold are not inlined while the
; same function without attribute Cold will be inlined.
+; RUN: opt < %s -inline -S -inline-threshold=600 | FileCheck %s -check-prefix=OVERRIDE
+; The command line argument for inline-threshold should override
+; the default cold threshold, so a cold function with size bigger
+; than the default cold threshold (225) will be inlined.
+
+; RUN: opt < %s -inline -S | FileCheck %s -check-prefix=DEFAULT
+; The same cold function will not be inlined with the default behavior.
+
@a = global i32 4
; This function should be larger than the cold threshold (75), but smaller
define i32 @ColdFunction(i32 %a) #1 {
; CHECK-LABEL: @ColdFunction
; CHECK: ret
+; OVERRIDE-LABEL: @ColdFunction
+; OVERRIDE: ret
+; DEFAULT-LABEL: @ColdFunction
+; DEFAULT: ret
entry:
%a1 = load volatile i32* @a
%x1 = add i32 %a1, %a1
ret i32 %add
}
+; This function should be larger than the default cold threshold (225).
+define i32 @ColdFunction2(i32 %a) #1 {
+; CHECK-LABEL: @ColdFunction2
+; CHECK: ret
+; OVERRIDE-LABEL: @ColdFunction2
+; OVERRIDE: ret
+; DEFAULT-LABEL: @ColdFunction2
+; DEFAULT: ret
+entry:
+ %a1 = load volatile i32* @a
+ %x1 = add i32 %a1, %a1
+ %a2 = load volatile i32* @a
+ %x2 = add i32 %x1, %a2
+ %a3 = load volatile i32* @a
+ %x3 = add i32 %x2, %a3
+ %a4 = load volatile i32* @a
+ %x4 = add i32 %x3, %a4
+ %a5 = load volatile i32* @a
+ %x5 = add i32 %x4, %a5
+ %a6 = load volatile i32* @a
+ %x6 = add i32 %x5, %a6
+ %a7 = load volatile i32* @a
+ %x7 = add i32 %x6, %a7
+ %a8 = load volatile i32* @a
+ %x8 = add i32 %x7, %a8
+ %a9 = load volatile i32* @a
+ %x9 = add i32 %x8, %a9
+ %a10 = load volatile i32* @a
+ %x10 = add i32 %x9, %a10
+ %a11 = load volatile i32* @a
+ %x11 = add i32 %x10, %a11
+ %a12 = load volatile i32* @a
+ %x12 = add i32 %x11, %a12
+
+ %a21 = load volatile i32* @a
+ %x21 = add i32 %x12, %a21
+ %a22 = load volatile i32* @a
+ %x22 = add i32 %x21, %a22
+ %a23 = load volatile i32* @a
+ %x23 = add i32 %x22, %a23
+ %a24 = load volatile i32* @a
+ %x24 = add i32 %x23, %a24
+ %a25 = load volatile i32* @a
+ %x25 = add i32 %x24, %a25
+ %a26 = load volatile i32* @a
+ %x26 = add i32 %x25, %a26
+ %a27 = load volatile i32* @a
+ %x27 = add i32 %x26, %a27
+ %a28 = load volatile i32* @a
+ %x28 = add i32 %x27, %a28
+ %a29 = load volatile i32* @a
+ %x29 = add i32 %x28, %a29
+ %a30 = load volatile i32* @a
+ %x30 = add i32 %x29, %a30
+ %a31 = load volatile i32* @a
+ %x31 = add i32 %x30, %a31
+ %a32 = load volatile i32* @a
+ %x32 = add i32 %x31, %a32
+
+ %a41 = load volatile i32* @a
+ %x41 = add i32 %x32, %a41
+ %a42 = load volatile i32* @a
+ %x42 = add i32 %x41, %a42
+ %a43 = load volatile i32* @a
+ %x43 = add i32 %x42, %a43
+ %a44 = load volatile i32* @a
+ %x44 = add i32 %x43, %a44
+ %a45 = load volatile i32* @a
+ %x45 = add i32 %x44, %a45
+ %a46 = load volatile i32* @a
+ %x46 = add i32 %x45, %a46
+ %a47 = load volatile i32* @a
+ %x47 = add i32 %x46, %a47
+ %a48 = load volatile i32* @a
+ %x48 = add i32 %x47, %a48
+ %a49 = load volatile i32* @a
+ %x49 = add i32 %x48, %a49
+ %a50 = load volatile i32* @a
+ %x50 = add i32 %x49, %a50
+ %a51 = load volatile i32* @a
+ %x51 = add i32 %x50, %a51
+ %a52 = load volatile i32* @a
+ %x52 = add i32 %x51, %a52
+
+ %add = add i32 %x52, %a
+ ret i32 %add
+}
+
; Function Attrs: nounwind readnone uwtable
define i32 @bar(i32 %a) #0 {
; CHECK-LABEL: @bar
; CHECK: call i32 @ColdFunction(i32 5)
; CHECK-NOT: call i32 @simpleFunction(i32 6)
+; CHECK: call i32 @ColdFunction2(i32 5)
; CHECK: ret
+; OVERRIDE-LABEL: @bar
+; OVERRIDE-NOT: call i32 @ColdFunction(i32 5)
+; OVERRIDE-NOT: call i32 @simpleFunction(i32 6)
+; OVERRIDE-NOT: call i32 @ColdFunction2(i32 5)
+; OVERRIDE: ret
+; DEFAULT-LABEL: @bar
+; DEFAULT-NOT: call i32 @ColdFunction(i32 5)
+; DEFAULT-NOT: call i32 @simpleFunction(i32 6)
+; DEFAULT: call i32 @ColdFunction2(i32 5)
+; DEFAULT: ret
entry:
%0 = tail call i32 @ColdFunction(i32 5)
%1 = tail call i32 @simpleFunction(i32 6)
- %add = add i32 %0, %1
+ %2 = tail call i32 @ColdFunction2(i32 5)
+ %3 = add i32 %0, %1
+ %add = add i32 %2, %3
ret i32 %add
}