1971023066ce2a20aa693cc981412d015bac304b9Jack Carter// RUN: %clang -target mipsel-unknown-linux -S -o - -emit-llvm %s \ 2971023066ce2a20aa693cc981412d015bac304b9Jack Carter// RUN: | FileCheck %s 3971023066ce2a20aa693cc981412d015bac304b9Jack Carter 4971023066ce2a20aa693cc981412d015bac304b9Jack Carter// This checks that the frontend will accept inline asm memory constraints. 5971023066ce2a20aa693cc981412d015bac304b9Jack Carter 6971023066ce2a20aa693cc981412d015bac304b9Jack Carterint foo() 7971023066ce2a20aa693cc981412d015bac304b9Jack Carter{ 8971023066ce2a20aa693cc981412d015bac304b9Jack Carter 9971023066ce2a20aa693cc981412d015bac304b9Jack Carter // 'R': An address that can be used in a non-macro load or stor' 10971023066ce2a20aa693cc981412d015bac304b9Jack Carter // This test will result in the higher and lower nibbles being 11971023066ce2a20aa693cc981412d015bac304b9Jack Carter // switched due to the lwl/lwr instruction pairs. 120e2c34f92f00628d48968dfea096d36381f494cbStephen Hines // CHECK: %{{[0-9]+}} = call i32 asm sideeffect "lwl $0, 1 + $1\0A\09lwr $0, 2 + $1\0A\09", "=r,*R,~{$1}"(i32* %{{[0-9,a-f]+}}) #1, 13971023066ce2a20aa693cc981412d015bac304b9Jack Carter 14971023066ce2a20aa693cc981412d015bac304b9Jack Carter int c = 0xffbbccdd; 15971023066ce2a20aa693cc981412d015bac304b9Jack Carter 16971023066ce2a20aa693cc981412d015bac304b9Jack Carter int *p = &c; 17971023066ce2a20aa693cc981412d015bac304b9Jack Carter int out = 0; 18971023066ce2a20aa693cc981412d015bac304b9Jack Carter 19971023066ce2a20aa693cc981412d015bac304b9Jack Carter __asm volatile ( 20971023066ce2a20aa693cc981412d015bac304b9Jack Carter "lwl %0, 1 + %1\n\t" 21971023066ce2a20aa693cc981412d015bac304b9Jack Carter "lwr %0, 2 + %1\n\t" 22971023066ce2a20aa693cc981412d015bac304b9Jack Carter : "=r"(out) 23971023066ce2a20aa693cc981412d015bac304b9Jack Carter : "R"(*p) 24971023066ce2a20aa693cc981412d015bac304b9Jack Carter ); 25971023066ce2a20aa693cc981412d015bac304b9Jack Carter return 0; 26971023066ce2a20aa693cc981412d015bac304b9Jack Carter} 27