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-rw-r--r--test/CodeGen/ARM/fast-isel.ll55
1 files changed, 51 insertions, 4 deletions
diff --git a/test/CodeGen/ARM/fast-isel.ll b/test/CodeGen/ARM/fast-isel.ll
index dd806ec6f1aee..6aad92fbc6a43 100644
--- a/test/CodeGen/ARM/fast-isel.ll
+++ b/test/CodeGen/ARM/fast-isel.ll
@@ -1,8 +1,7 @@
-; RUN: llc < %s -O0 -fast-isel-abort -mtriple=armv7-apple-darwin
-; RUN: llc < %s -O0 -fast-isel-abort -mtriple=thumbv7-apple-darwin
+; RUN: llc < %s -O0 -fast-isel-abort -mtriple=armv7-apple-darwin | FileCheck %s --check-prefix=ARM
+; RUN: llc < %s -O0 -fast-isel-abort -mtriple=thumbv7-apple-darwin | FileCheck %s --check-prefix=THUMB
; Very basic fast-isel functionality.
-
define i32 @add(i32 %a, i32 %b) nounwind {
entry:
%a.addr = alloca i32, align 4
@@ -13,4 +12,52 @@ entry:
%tmp1 = load i32* %b.addr
%add = add nsw i32 %tmp, %tmp1
ret i32 %add
-} \ No newline at end of file
+}
+
+; Check truncate to bool
+define void @test1(i32 %tmp) nounwind {
+entry:
+%tobool = trunc i32 %tmp to i1
+br i1 %tobool, label %if.then, label %if.end
+
+if.then: ; preds = %entry
+call void @test1(i32 0)
+br label %if.end
+
+if.end: ; preds = %if.then, %entry
+ret void
+; ARM: test1:
+; ARM: tst r0, #1
+; THUMB: test1:
+; THUMB: tst.w r0, #1
+}
+
+; Check some simple operations with immediates
+define void @test2(i32 %tmp, i32* %ptr) nounwind {
+; THUMB: test2:
+; ARM: test2:
+
+b1:
+ %a = add i32 %tmp, 4096
+ store i32 %a, i32* %ptr
+ br label %b2
+
+; THUMB: add.w {{.*}} #4096
+; ARM: add {{.*}} #1, #20
+
+b2:
+ %b = add i32 %tmp, 4095
+ store i32 %b, i32* %ptr
+ br label %b3
+; THUMB: addw {{.*}} #4095
+; ARM: movw {{.*}} #4095
+; ARM: add
+
+b3:
+ %c = or i32 %tmp, 4
+ store i32 %c, i32* %ptr
+ ret void
+
+; THUMB: orr {{.*}} #4
+; ARM: orr {{.*}} #4
+}