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; RUN: llc %s -o - -mtriple=thumbv8m.base | FileCheck %s
declare i32 @g(...)
declare i32 @h0(i32, i32, i32, i32)
define hidden i32 @f0() {
%1 = tail call i32 bitcast (i32 (...)* @g to i32 ()*)()
%2 = tail call i32 @h0(i32 %1, i32 1, i32 2, i32 3)
ret i32 %2
; CHECK-LABEL: f0
; CHECK: ldr [[POP:r[4567]]], [sp
; CHECK-NEXT: mov lr, [[POP]]
; CHECK-NEXT: pop {{.*}}[[POP]]
; CHECK-NEXT: add sp, #4
; CHECK-NEXT: b h0
}
declare i32 @h1(i32)
define hidden i32 @f1() {
%1 = tail call i32 bitcast (i32 (...)* @g to i32 ()*)()
%2 = tail call i32 @h1(i32 %1)
ret i32 %2
; CHECK-LABEL: f1
; CHECK: pop {r7}
; CHECK: pop {r1}
; CHECK: mov lr, r1
; CHECK: b h1
}
declare i32 @h2(i32, i32, i32, i32, i32)
define hidden i32 @f2(i32, i32, i32, i32, i32) {
%6 = tail call i32 bitcast (i32 (...)* @g to i32 ()*)()
%7 = icmp eq i32 %6, 0
br i1 %7, label %10, label %8
%9 = tail call i32 @h2(i32 %6, i32 %1, i32 %2, i32 %3, i32 %4)
br label %10
%11 = phi i32 [ %9, %8 ], [ -1, %5 ]
ret i32 %11
; CHECK-LABEL: f2
; CHECK: ldr [[POP:r[4567]]], [sp
; CHECK-NEXT: mov lr, [[POP]]
; CHECK-NEXT: pop {{.*}}[[POP]]
; CHECK-NEXT: add sp, #4
; CHECK-NEXT: b h2
}
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