derek.holloway
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85 lines
3.8 KiB
LLVM
85 lines
3.8 KiB
LLVM
; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
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;
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; RUN: opt < %s -mtriple=avr-freebsd -passes=instcombine -S | FileCheck %s --check-prefix=AVR
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; RUN: opt < %s -mtriple=msp430-linux -passes=instcombine -S | FileCheck %s --check-prefix=MSP430
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; REQUIRES: avr-registered-target,msp430-registered-target
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;
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; Verify that the puts to putchar transformation works correctly even for
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; targets with 16-bit int.
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declare i16 @putchar(i16)
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declare i16 @puts(ptr)
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@s1 = constant [2 x i8] c"\01\00"
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@s7f = constant [2 x i8] c"\7f\00"
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@s80 = constant [2 x i8] c"\80\00"
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@sff = constant [2 x i8] c"\ff\00"
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@pcnt_c = constant [3 x i8] c"%c\00"
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@pcnt_s = constant [3 x i8] c"%s\00"
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declare i16 @printf(ptr, ...)
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; Verfify that the three printf to putchar transformations all result
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; in the same output for calls with equivalent arguments.
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define void @xform_printf(i8 %c8, i16 %c16) {
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; AVR-LABEL: @xform_printf(
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; AVR-NEXT: [[PUTCHAR:%.*]] = call addrspace(1) i16 @putchar(i16 1)
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; AVR-NEXT: [[PUTCHAR1:%.*]] = call addrspace(1) i16 @putchar(i16 1)
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; AVR-NEXT: [[PUTCHAR2:%.*]] = call addrspace(1) i16 @putchar(i16 1)
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; AVR-NEXT: [[PUTCHAR3:%.*]] = call addrspace(1) i16 @putchar(i16 127)
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; AVR-NEXT: [[PUTCHAR4:%.*]] = call addrspace(1) i16 @putchar(i16 127)
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; AVR-NEXT: [[PUTCHAR5:%.*]] = call addrspace(1) i16 @putchar(i16 127)
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; AVR-NEXT: [[PUTCHAR6:%.*]] = call addrspace(1) i16 @putchar(i16 128)
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; AVR-NEXT: [[PUTCHAR7:%.*]] = call addrspace(1) i16 @putchar(i16 128)
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; AVR-NEXT: [[PUTCHAR8:%.*]] = call addrspace(1) i16 @putchar(i16 128)
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; AVR-NEXT: [[PUTCHAR9:%.*]] = call addrspace(1) i16 @putchar(i16 255)
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; AVR-NEXT: [[PUTCHAR10:%.*]] = call addrspace(1) i16 @putchar(i16 255)
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; AVR-NEXT: [[PUTCHAR11:%.*]] = call addrspace(1) i16 @putchar(i16 255)
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; AVR-NEXT: [[TMP1:%.*]] = zext i8 [[C8:%.*]] to i16
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; AVR-NEXT: [[PUTCHAR12:%.*]] = call addrspace(1) i16 @putchar(i16 [[TMP1]])
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; AVR-NEXT: [[PUTCHAR13:%.*]] = call addrspace(1) i16 @putchar(i16 [[C16:%.*]])
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; AVR-NEXT: ret void
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;
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; MSP430-LABEL: @xform_printf(
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; MSP430-NEXT: [[PUTCHAR:%.*]] = call i16 @putchar(i16 1)
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; MSP430-NEXT: [[PUTCHAR1:%.*]] = call i16 @putchar(i16 1)
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; MSP430-NEXT: [[PUTCHAR2:%.*]] = call i16 @putchar(i16 1)
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; MSP430-NEXT: [[PUTCHAR3:%.*]] = call i16 @putchar(i16 127)
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; MSP430-NEXT: [[PUTCHAR4:%.*]] = call i16 @putchar(i16 127)
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; MSP430-NEXT: [[PUTCHAR5:%.*]] = call i16 @putchar(i16 127)
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; MSP430-NEXT: [[PUTCHAR6:%.*]] = call i16 @putchar(i16 128)
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; MSP430-NEXT: [[PUTCHAR7:%.*]] = call i16 @putchar(i16 128)
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; MSP430-NEXT: [[PUTCHAR8:%.*]] = call i16 @putchar(i16 128)
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; MSP430-NEXT: [[PUTCHAR9:%.*]] = call i16 @putchar(i16 255)
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; MSP430-NEXT: [[PUTCHAR10:%.*]] = call i16 @putchar(i16 255)
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; MSP430-NEXT: [[PUTCHAR11:%.*]] = call i16 @putchar(i16 255)
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; MSP430-NEXT: [[TMP1:%.*]] = zext i8 [[C8:%.*]] to i16
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; MSP430-NEXT: [[PUTCHAR12:%.*]] = call i16 @putchar(i16 [[TMP1]])
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; MSP430-NEXT: [[PUTCHAR13:%.*]] = call i16 @putchar(i16 [[C16:%.*]])
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; MSP430-NEXT: ret void
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;
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call i16 (ptr, ...) @printf(ptr @s1)
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call i16 (ptr, ...) @printf(ptr @pcnt_c, i16 1)
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call i16 (ptr, ...) @printf(ptr @pcnt_s, ptr @s1)
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call i16 (ptr, ...) @printf(ptr @s7f)
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call i16 (ptr, ...) @printf(ptr @pcnt_c, i16 127)
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call i16 (ptr, ...) @printf(ptr @pcnt_s, ptr @s7f)
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call i16 (ptr, ...) @printf(ptr @s80)
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call i16 (ptr, ...) @printf(ptr @pcnt_c, i16 128)
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call i16 (ptr, ...) @printf(ptr @pcnt_s, ptr @s80)
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call i16 (ptr, ...) @printf(ptr @sff)
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call i16 (ptr, ...) @printf(ptr @pcnt_c, i16 255)
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call i16 (ptr, ...) @printf(ptr @pcnt_s, ptr @sff)
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; The i8 argument to printf can be either zero-extended or sign-extended
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; when passed to putchar which then converts it to unsigned char.
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call i16 (ptr, ...) @printf(ptr @pcnt_c, i8 %c8)
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call i16 (ptr, ...) @printf(ptr @pcnt_c, i16 %c16)
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ret void
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}
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