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; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
; RUN: opt -S -instcombine < %s | FileCheck %s
declare i32 @passthru_i32(i32 returned)
declare i8* @passthru_p8(i8* returned)
declare i8* @passthru_p8_from_p32(i32* returned)
declare <8 x i8> @passthru_8i8v_from_2i32v(<2 x i32> returned)
define i32 @returned_const_int_arg() {
; CHECK-LABEL: @returned_const_int_arg(
; CHECK-NEXT: [[X:%.*]] = call i32 @passthru_i32(i32 42)
; CHECK-NEXT: ret i32 42
;
%x = call i32 @passthru_i32(i32 42)
ret i32 %x
}
define i8* @returned_const_ptr_arg() {
; CHECK-LABEL: @returned_const_ptr_arg(
; CHECK-NEXT: [[X:%.*]] = call i8* @passthru_p8(i8* null)
; CHECK-NEXT: ret i8* null
;
%x = call i8* @passthru_p8(i8* null)
ret i8* %x
}
define i8* @returned_const_ptr_arg_casted() {
; CHECK-LABEL: @returned_const_ptr_arg_casted(
; CHECK-NEXT: [[X:%.*]] = call i8* @passthru_p8_from_p32(i32* null)
; CHECK-NEXT: ret i8* null
;
%x = call i8* @passthru_p8_from_p32(i32* null)
ret i8* %x
}
define i8* @returned_ptr_arg_casted(i32* %a) {
; CHECK-LABEL: @returned_ptr_arg_casted(
; CHECK-NEXT: [[TMP1:%.*]] = bitcast i32* [[A:%.*]] to i8*
; CHECK-NEXT: [[X:%.*]] = call i8* @passthru_p8_from_p32(i32* [[A]])
; CHECK-NEXT: ret i8* [[TMP1]]
;
%x = call i8* @passthru_p8_from_p32(i32* %a)
ret i8* %x
}
@GV = constant <2 x i32> zeroinitializer
define <8 x i8> @returned_const_vec_arg_casted() {
; CHECK-LABEL: @returned_const_vec_arg_casted(
; CHECK-NEXT: [[X:%.*]] = call <8 x i8> @passthru_8i8v_from_2i32v(<2 x i32> zeroinitializer)
; CHECK-NEXT: ret <8 x i8> zeroinitializer
;
%v = load <2 x i32>, <2 x i32>* @GV
%x = call <8 x i8> @passthru_8i8v_from_2i32v(<2 x i32> %v)
ret <8 x i8> %x
}
define <8 x i8> @returned_vec_arg_casted(<2 x i32> %a) {
; CHECK-LABEL: @returned_vec_arg_casted(
; CHECK-NEXT: [[TMP1:%.*]] = bitcast <2 x i32> [[A:%.*]] to <8 x i8>
; CHECK-NEXT: [[X:%.*]] = call <8 x i8> @passthru_8i8v_from_2i32v(<2 x i32> [[A]])
; CHECK-NEXT: ret <8 x i8> [[TMP1]]
;
%x = call <8 x i8> @passthru_8i8v_from_2i32v(<2 x i32> %a)
ret <8 x i8> %x
}
define i32 @returned_var_arg(i32 %arg) {
; CHECK-LABEL: @returned_var_arg(
; CHECK-NEXT: [[X:%.*]] = call i32 @passthru_i32(i32 [[ARG:%.*]])
; CHECK-NEXT: ret i32 [[ARG]]
;
%x = call i32 @passthru_i32(i32 %arg)
ret i32 %x
}
define i32 @returned_const_int_arg_musttail(i32 %arg) {
; CHECK-LABEL: @returned_const_int_arg_musttail(
; CHECK-NEXT: [[X:%.*]] = musttail call i32 @passthru_i32(i32 42)
; CHECK-NEXT: ret i32 [[X]]
;
%x = musttail call i32 @passthru_i32(i32 42)
ret i32 %x
}
define i32 @returned_var_arg_musttail(i32 %arg) {
; CHECK-LABEL: @returned_var_arg_musttail(
; CHECK-NEXT: [[X:%.*]] = musttail call i32 @passthru_i32(i32 [[ARG:%.*]])
; CHECK-NEXT: ret i32 [[X]]
;
%x = musttail call i32 @passthru_i32(i32 %arg)
ret i32 %x
}
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