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gcc 7
author | kono |
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date | Fri, 27 Oct 2017 22:46:09 +0900 |
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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"} } */