1 ; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
3 ; RUN: opt < %s -mtriple=avr-freebsd -passes=instcombine -S | FileCheck %s --check-prefix=AVR
4 ; RUN: opt < %s -mtriple=msp430-linux -passes=instcombine -S | FileCheck %s --check-prefix=MSP430
5 ; REQUIRES: avr-registered-target,msp430-registered-target
7 ; Verify that the puts to putchar transformation works correctly even for
8 ; targets with 16-bit int.
10 declare i16 @putchar(i16)
11 declare i16 @puts(ptr)
13 @s1 = constant [2 x i8] c"\01\00"
14 @s7f = constant [2 x i8] c"\7f\00"
15 @s80 = constant [2 x i8] c"\80\00"
16 @sff = constant [2 x i8] c"\ff\00"
18 @pcnt_c = constant [3 x i8] c"%c\00"
19 @pcnt_s = constant [3 x i8] c"%s\00"
21 declare i16 @printf(ptr, ...)
23 ; Verfify that the three printf to putchar transformations all result
24 ; in the same output for calls with equivalent arguments.
26 define void @xform_printf(i8 %c8, i16 %c16) {
27 ; AVR-LABEL: @xform_printf(
28 ; AVR-NEXT: [[PUTCHAR:%.*]] = call addrspace(1) i16 @putchar(i16 1)
29 ; AVR-NEXT: [[PUTCHAR1:%.*]] = call addrspace(1) i16 @putchar(i16 1)
30 ; AVR-NEXT: [[PUTCHAR2:%.*]] = call addrspace(1) i16 @putchar(i16 1)
31 ; AVR-NEXT: [[PUTCHAR3:%.*]] = call addrspace(1) i16 @putchar(i16 127)
32 ; AVR-NEXT: [[PUTCHAR4:%.*]] = call addrspace(1) i16 @putchar(i16 127)
33 ; AVR-NEXT: [[PUTCHAR5:%.*]] = call addrspace(1) i16 @putchar(i16 127)
34 ; AVR-NEXT: [[PUTCHAR6:%.*]] = call addrspace(1) i16 @putchar(i16 128)
35 ; AVR-NEXT: [[PUTCHAR7:%.*]] = call addrspace(1) i16 @putchar(i16 128)
36 ; AVR-NEXT: [[PUTCHAR8:%.*]] = call addrspace(1) i16 @putchar(i16 128)
37 ; AVR-NEXT: [[PUTCHAR9:%.*]] = call addrspace(1) i16 @putchar(i16 255)
38 ; AVR-NEXT: [[PUTCHAR10:%.*]] = call addrspace(1) i16 @putchar(i16 255)
39 ; AVR-NEXT: [[PUTCHAR11:%.*]] = call addrspace(1) i16 @putchar(i16 255)
40 ; AVR-NEXT: [[TMP1:%.*]] = zext i8 [[C8:%.*]] to i16
41 ; AVR-NEXT: [[PUTCHAR12:%.*]] = call addrspace(1) i16 @putchar(i16 [[TMP1]])
42 ; AVR-NEXT: [[PUTCHAR13:%.*]] = call addrspace(1) i16 @putchar(i16 [[C16:%.*]])
45 ; MSP430-LABEL: @xform_printf(
46 ; MSP430-NEXT: [[PUTCHAR:%.*]] = call i16 @putchar(i16 1)
47 ; MSP430-NEXT: [[PUTCHAR1:%.*]] = call i16 @putchar(i16 1)
48 ; MSP430-NEXT: [[PUTCHAR2:%.*]] = call i16 @putchar(i16 1)
49 ; MSP430-NEXT: [[PUTCHAR3:%.*]] = call i16 @putchar(i16 127)
50 ; MSP430-NEXT: [[PUTCHAR4:%.*]] = call i16 @putchar(i16 127)
51 ; MSP430-NEXT: [[PUTCHAR5:%.*]] = call i16 @putchar(i16 127)
52 ; MSP430-NEXT: [[PUTCHAR6:%.*]] = call i16 @putchar(i16 128)
53 ; MSP430-NEXT: [[PUTCHAR7:%.*]] = call i16 @putchar(i16 128)
54 ; MSP430-NEXT: [[PUTCHAR8:%.*]] = call i16 @putchar(i16 128)
55 ; MSP430-NEXT: [[PUTCHAR9:%.*]] = call i16 @putchar(i16 255)
56 ; MSP430-NEXT: [[PUTCHAR10:%.*]] = call i16 @putchar(i16 255)
57 ; MSP430-NEXT: [[PUTCHAR11:%.*]] = call i16 @putchar(i16 255)
58 ; MSP430-NEXT: [[TMP1:%.*]] = zext i8 [[C8:%.*]] to i16
59 ; MSP430-NEXT: [[PUTCHAR12:%.*]] = call i16 @putchar(i16 [[TMP1]])
60 ; MSP430-NEXT: [[PUTCHAR13:%.*]] = call i16 @putchar(i16 [[C16:%.*]])
61 ; MSP430-NEXT: ret void
63 call i16 (ptr, ...) @printf(ptr @s1)
64 call i16 (ptr, ...) @printf(ptr @pcnt_c, i16 1)
65 call i16 (ptr, ...) @printf(ptr @pcnt_s, ptr @s1)
67 call i16 (ptr, ...) @printf(ptr @s7f)
68 call i16 (ptr, ...) @printf(ptr @pcnt_c, i16 127)
69 call i16 (ptr, ...) @printf(ptr @pcnt_s, ptr @s7f)
71 call i16 (ptr, ...) @printf(ptr @s80)
72 call i16 (ptr, ...) @printf(ptr @pcnt_c, i16 128)
73 call i16 (ptr, ...) @printf(ptr @pcnt_s, ptr @s80)
75 call i16 (ptr, ...) @printf(ptr @sff)
76 call i16 (ptr, ...) @printf(ptr @pcnt_c, i16 255)
77 call i16 (ptr, ...) @printf(ptr @pcnt_s, ptr @sff)
79 ; The i8 argument to printf can be either zero-extended or sign-extended
80 ; when passed to putchar which then converts it to unsigned char.
81 call i16 (ptr, ...) @printf(ptr @pcnt_c, i8 %c8)
82 call i16 (ptr, ...) @printf(ptr @pcnt_c, i16 %c16)