Hexagon: Remove assembler mapped instruction definitions.

llvm-svn: 180133

1 files changed, 87 insertions, 0 deletions

diff --git a/llvm/test/CodeGen/Hexagon/cmp_pred2.ll b/llvm/test/CodeGen/Hexagon/cmp_pred2.ll
new file mode 100644
index 00000000000..a20b9f09b6e
--- /dev/null
+++ b/llvm/test/CodeGen/Hexagon/cmp_pred2.ll
@@ -0,0 +1,87 @@
+; RUN: llc -march=hexagon -mcpu=hexagonv5  < %s | FileCheck %s
+; Make sure that the assembler mapped compare instructions are correctly generated.
+
+@c = common global i32 0, align 4
+
+define i32 @test1(i32 %a, i32 %b) nounwind {
+; CHECK-NOT: cmp.ge
+; CHECK: cmp.gt
+entry:
+  %cmp = icmp slt i32 %a, 100
+  br i1 %cmp, label %if.then, label %entry.if.end_crit_edge
+
+entry.if.end_crit_edge:
+  %.pre = load i32* @c, align 4
+  br label %if.end
+
+if.then:
+  %sub = add nsw i32 %a, -10
+  store i32 %sub, i32* @c, align 4
+  br label %if.end
+
+if.end:
+  %0 = phi i32 [ %.pre, %entry.if.end_crit_edge ], [ %sub, %if.then ]
+  ret i32 %0
+}
+
+define i32 @test2(i32 %a, i32 %b) nounwind {
+; CHECK-NOT: cmp.lt
+; CHECK: cmp.gt
+entry:
+  %cmp = icmp sge i32 %a, %b
+  br i1 %cmp, label %entry.if.end_crit_edge, label %if.then
+
+entry.if.end_crit_edge:
+  %.pre = load i32* @c, align 4
+  br label %if.end
+
+if.then:
+  %sub = add nsw i32 %a, -10
+  store i32 %sub, i32* @c, align 4
+  br label %if.end
+
+if.end:
+  %0 = phi i32 [ %.pre, %entry.if.end_crit_edge ], [ %sub, %if.then ]
+  ret i32 %0
+}
+
+define i32 @test4(i32 %a, i32 %b) nounwind {
+; CHECK-NOT: cmp.ltu
+; CHECK: cmp.gtu
+entry:
+  %cmp = icmp uge i32 %a, %b
+  br i1 %cmp, label %entry.if.end_crit_edge, label %if.then
+
+entry.if.end_crit_edge:
+  %.pre = load i32* @c, align 4
+  br label %if.end
+
+if.then:
+  %sub = add i32 %a, -10
+  store i32 %sub, i32* @c, align 4
+  br label %if.end
+
+if.end:
+  %0 = phi i32 [ %.pre, %entry.if.end_crit_edge ], [ %sub, %if.then ]
+  ret i32 %0
+}
+
+define i32 @test5(i32 %a, i32 %b) nounwind {
+; CHECK: cmp.gtu
+entry:
+  %cmp = icmp uge i32 %a, 29999
+  br i1 %cmp, label %if.then, label %entry.if.end_crit_edge
+
+entry.if.end_crit_edge:
+  %.pre = load i32* @c, align 4
+  br label %if.end
+
+if.then:
+  %sub = add i32 %a, -10
+  store i32 %sub, i32* @c, align 4
+  br label %if.end
+
+if.end:
+  %0 = phi i32 [ %.pre, %entry.if.end_crit_edge ], [ %sub, %if.then ]
+  ret i32 %0
+}