gcc/testsuite/brig.dg/test/gimple/branches.hsail

module &module:1:0:$full:$large:$default;

/* Test different style of branches. */

/* { dg-do compile } */
/* { dg-options "-fdump-tree-gimple" } */

prog kernel &Kernel(kernarg_u64 %input_ptr, kernarg_u64 %output_ptr)
{
        ld_kernarg_u64 $d0, [%input_ptr];
        ld_global_u64 $d1, [$d0];
        ld_global_u64 $d2, [$d0 + 8];

        ld_global_u32 $s0, [$d0 + 16];
        ld_global_u32 $s1, [$d0 + 20];

	sbr_width(all)_u32 $s1 [@case0, @case1, @case2];
@case0:
        st_global_u64 0, [$d0];
	br @out;
@case1:
        st_global_u64 1, [$d0];
	br @out;
@case2:
        st_global_u64 2, [$d0];
@out:
	cmp_eq_u32_u32 $s2, $s1, $s0;
	cvt_b1_u32 $c0, $s2;

	cbr_width(all)_b1 $c0, @true_branch;
@false_branch:
        st_global_u64 $d1, [$d0];

@true_branch:
        ld_kernarg_u64 $d0, [%output_ptr];

        st_global_u32 $s2, [$d0 + 8];
	br @skip;
        st_global_u32 $s3, [$d0 + 12];

@skip:
        ret;
};

/* sbr is converted to a switch */
/* { dg-final { scan-tree-dump "switch \\\(s1\\\) <default: <D.\[0-9\]+>, case 0: <D.\[0-9\]+>, case 1: <D.\[0-9\]+>, case 2: <D.\[0-9\]+>>" "gimple"} } */

/* br @out converted to gotos */
/* { dg-final { scan-tree-dump-times "goto @out" 2 "gimple"} } */ 

/* the comparison instruction */
/* { dg-final { scan-tree-dump "c0 = s2 != 0;" "gimple" } } */

/* cbr to an if clause */
/* { dg-final { scan-tree-dump "if \\\(c0 != 0\\\) goto @true_branch; else goto <D.\[0-9\]+>;" "gimple" } } */

/* br @skip converted to a goto */
/* { dg-final { scan-tree-dump "goto @skip" "gimple"} } */