64 lines
2.2 KiB
C
64 lines
2.2 KiB
C
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// REQUIRES: arm-registered-target
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// RUN: %clang --target=arm-none-eabi -mcpu=cortex-m33 -mfloat-abi=hard -O1 %s -S -o - -emit-llvm -DCALL_LIB -DDEFINE_LIB | FileCheck %s
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// RUN: %clang --target=arm-none-eabi -mcpu=cortex-m33 -mfloat-abi=hard -O1 %s -flto=full -c -o %t.call_full.bc -DCALL_LIB
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// RUN: %clang --target=arm-none-eabi -mcpu=cortex-m33 -mfloat-abi=hard -O1 %s -flto=full -c -o %t.define_full.bc -DDEFINE_LIB
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// RUN: llvm-lto2 run -o %t.lto_full -save-temps %t.call_full.bc %t.define_full.bc \
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// RUN: -r %t.call_full.bc,fn,px \
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// RUN: -r %t.call_full.bc,fwrite,l \
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// RUN: -r %t.call_full.bc,putchar,l \
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// RUN: -r %t.call_full.bc,stdout,px \
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// RUN: -r %t.define_full.bc,fwrite,px \
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// RUN: -r %t.define_full.bc,putchar,px \
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// RUN: -r %t.define_full.bc,otherfn,px
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// RUN: llvm-dis %t.lto_full.0.4.opt.bc -o - | FileCheck %s
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// RUN: %clang --target=arm-none-eabi -mcpu=cortex-m33 -mfloat-abi=hard -O1 %s -flto=thin -c -o %t.call_thin.bc -DCALL_LIB
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// RUN: %clang --target=arm-none-eabi -mcpu=cortex-m33 -mfloat-abi=hard -O1 %s -flto=thin -c -o %t.define_thin.bc -DDEFINE_LIB
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// RUN: llvm-lto2 run -o %t.lto_thin -save-temps %t.call_thin.bc %t.define_thin.bc \
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// RUN: -r %t.call_thin.bc,fn,px \
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// RUN: -r %t.call_thin.bc,fwrite,l \
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// RUN: -r %t.call_thin.bc,putchar,l \
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// RUN: -r %t.call_thin.bc,stdout,px \
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// RUN: -r %t.define_thin.bc,fwrite,px \
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// RUN: -r %t.define_thin.bc,putchar,px \
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// RUN: -r %t.define_thin.bc,otherfn,px
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// RUN: llvm-dis %t.lto_thin.1.4.opt.bc -o - | FileCheck %s
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// We expect that the fprintf is optimised to fwrite, and the printf is
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// optimised to putchar. Check that we don't have a mismatch in calling
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// conventions causing the call to be replaced by a trap.
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// CHECK-LABEL: define{{.*}}void @fn()
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// CHECK-NOT: call void @llvm.trap()
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typedef struct FILE FILE;
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typedef unsigned int size_t;
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extern FILE *stdout;
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extern int fprintf(FILE *, const char *, ...);
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extern int printf(const char *, ...);
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extern void otherfn(const void *);
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#ifdef CALL_LIB
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void fn() {
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fprintf(stdout, "hello world");
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printf("a");
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}
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#endif
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#ifdef DEFINE_LIB
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size_t fwrite(const void *ptr, size_t size, size_t nmemb, FILE *stream) {
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otherfn(ptr);
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return 0;
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}
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int putchar(int c) {
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otherfn(&c);
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return 0;
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}
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#endif
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