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Differential D35844 Diff 109065 test/CodeGen/X86/return-ext.ll

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test/CodeGen/X86/return-ext.ll

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%1 = zext i1 %0 to i32		%1 = zext i1 %0 to i32
ret i32 %1		ret i32 %1

; The high 24 bits of %eax from a function returning i1 are undefined.		; The high 24 bits of %eax from a function returning i1 are undefined.
; CHECK-LABEL: use_i1:		; CHECK-LABEL: use_i1:
; CHECK: call		; CHECK: call
; CHECK-NEXT: movzbl		; CHECK-NEXT: movzbl
; CHECK-NEXT: {{pop\|add}}		; CHECK-NEXT: {{pop\|add}}
		; CHECK-NEXT: :
		; CHECK-NEXT: .cfi_def_cfa_offset {{4\|8}}
; CHECK-NEXT: ret		; CHECK-NEXT: ret
}		}

define i32 @use_i8() {		define i32 @use_i8() {
entry:		entry:
%0 = call i8 @unsigned_i8();		%0 = call i8 @unsigned_i8();
%1 = zext i8 %0 to i32		%1 = zext i8 %0 to i32
ret i32 %1		ret i32 %1

; The high 24 bits of %eax from a function returning i8 are undefined.		; The high 24 bits of %eax from a function returning i8 are undefined.
; CHECK-LABEL: use_i8:		; CHECK-LABEL: use_i8:
; CHECK: call		; CHECK: call
; CHECK-NEXT: movzbl		; CHECK-NEXT: movzbl
; CHECK-NEXT: {{pop\|add}}		; CHECK-NEXT: {{pop\|add}}
		; CHECK-NEXT: :
		; CHECK-NEXT: .cfi_def_cfa_offset {{4\|8}}
; CHECK-NEXT: ret		; CHECK-NEXT: ret
}		}

define i32 @use_i16() {		define i32 @use_i16() {
entry:		entry:
%0 = call i16 @unsigned_i16();		%0 = call i16 @unsigned_i16();
%1 = zext i16 %0 to i32		%1 = zext i16 %0 to i32
ret i32 %1		ret i32 %1

; The high 16 bits of %eax from a function returning i16 are undefined.		; The high 16 bits of %eax from a function returning i16 are undefined.
; CHECK-LABEL: use_i16:		; CHECK-LABEL: use_i16:
; CHECK: call		; CHECK: call
; CHECK-NEXT: movzwl		; CHECK-NEXT: movzwl
; CHECK-NEXT: {{pop\|add}}		; CHECK-NEXT: {{pop\|add}}
		; CHECK-NEXT: :
		; CHECK-NEXT: .cfi_def_cfa_offset {{4\|8}}
; CHECK-NEXT: ret		; CHECK-NEXT: ret
}		}