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; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
; RUN: opt -S -passes=mergefunc < %s | FileCheck %s
define internal i32 @fn1(i32 %a) {
; CHECK-LABEL: @fn1(
; CHECK-NEXT: switch i32 [[A:%.*]], label [[B1:%.*]] [
; CHECK-NEXT: i32 1, label [[B2:%.*]]
; CHECK-NEXT: i32 2, label [[B3:%.*]]
; CHECK-NEXT: ]
; CHECK: b1:
; CHECK-NEXT: ret i32 1
; CHECK: b2:
; CHECK-NEXT: ret i32 2
; CHECK: b3:
; CHECK-NEXT: ret i32 3
;
switch i32 %a, label %b1 [
i32 1, label %b2
i32 2, label %b3
]
b1:
ret i32 1
b2:
ret i32 2
b3:
ret i32 3
}
define internal i32 @fn2(i32 %a) {
switch i32 %a, label %b1 [
i32 1, label %b2
i32 2, label %b3
]
b1:
ret i32 1
b2:
ret i32 2
b3:
ret i32 3
}
; Different switch case value, don't merge.
define internal i32 @fn3(i32 %a) {
; CHECK-LABEL: @fn3(
; CHECK-NEXT: switch i32 [[A:%.*]], label [[B1:%.*]] [
; CHECK-NEXT: i32 1000, label [[B2:%.*]]
; CHECK-NEXT: i32 2, label [[B3:%.*]]
; CHECK-NEXT: ]
; CHECK: b1:
; CHECK-NEXT: ret i32 1
; CHECK: b2:
; CHECK-NEXT: ret i32 2
; CHECK: b3:
; CHECK-NEXT: ret i32 3
;
switch i32 %a, label %b1 [
i32 1000, label %b2
i32 2, label %b3
]
b1:
ret i32 1
b2:
ret i32 2
b3:
ret i32 3
}
define void @caller(i32 %a) {
; CHECK-LABEL: @caller(
; CHECK-NEXT: [[R1:%.*]] = call i32 @fn1(i32 [[A:%.*]])
; CHECK-NEXT: [[R2:%.*]] = call i32 @fn1(i32 [[A]])
; CHECK-NEXT: [[R3:%.*]] = call i32 @fn3(i32 [[A]])
; CHECK-NEXT: ret void
;
%r1 = call i32 @fn1(i32 %a)
%r2 = call i32 @fn2(i32 %a)
%r3 = call i32 @fn3(i32 %a)
ret void
}
|
