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Diffstat (limited to 'test/CodeGen/MBlaze/loop.ll')
-rw-r--r-- | test/CodeGen/MBlaze/loop.ll | 44 |
1 files changed, 44 insertions, 0 deletions
diff --git a/test/CodeGen/MBlaze/loop.ll b/test/CodeGen/MBlaze/loop.ll new file mode 100644 index 00000000000..7439d0b6fe2 --- /dev/null +++ b/test/CodeGen/MBlaze/loop.ll @@ -0,0 +1,44 @@ +; Test some complicated looping constructs to ensure that they +; compile successfully and that some sort of branching is used +; in the resulting code. +; +; RUN: llc < %s -march=mblaze -mattr=+mul,+fpu,+barrel | FileCheck %s + +declare i32 @printf(i8*, ...) +@MSG = internal constant [19 x i8] c"Message: %d %d %d\0A\00" + +define i32 @loop(i32 %a, i32 %b) +{ + ; CHECK: loop: +entry: + br label %loop_outer + +loop_outer: + %outer.0 = phi i32 [ 0, %entry ], [ %outer.2, %loop_outer_finish ] + br label %loop_inner + +loop_inner: + %inner.0 = phi i32 [ %a, %loop_outer ], [ %inner.3, %loop_inner_finish ] + %inner.1 = phi i32 [ %b, %loop_outer ], [ %inner.4, %loop_inner_finish ] + %inner.2 = phi i32 [ 0, %loop_outer ], [ %inner.5, %loop_inner_finish ] + %inner.3 = add i32 %inner.0, %inner.1 + %inner.4 = mul i32 %inner.2, 11 + br label %loop_inner_finish + +loop_inner_finish: + %inner.5 = add i32 %inner.2, 1 + call i32 (i8*,...)* @printf( i8* getelementptr([19 x i8]* @MSG,i32 0,i32 0), + i32 %inner.0, i32 %inner.1, i32 %inner.2 ) + + %inner.6 = icmp eq i32 %inner.5, 100 + ; CHECK: cmp [[REG:r[0-9]*]] + + br i1 %inner.6, label %loop_inner, label %loop_outer_finish + ; CHECK: {{beqid|bneid}} [[REG]] + +loop_outer_finish: + %outer.1 = add i32 %outer.0, 1 + %outer.2 = urem i32 %outer.1, 1500 + br label %loop_outer + ; CHECK: br +} |