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authorRoman Divacky <rdivacky@FreeBSD.org>2010-03-03 17:27:15 +0000
committerRoman Divacky <rdivacky@FreeBSD.org>2010-03-03 17:27:15 +0000
commit67a71b3184ce20a901e874d0ee25e01397dd87ef (patch)
tree836a05cff50ca46176117b86029f061fa4db54f0 /test/CodeGen/MBlaze/div.ll
parent6fe5c7aa327e188b7176daa5595bbf075a6b94df (diff)
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+; Ensure that multiplication is lowered to function calls when the multiplier
+; unit is not available in the hardware and that function calls are not used
+; when the multiplier unit is available in the hardware.
+;
+; RUN: llc < %s -march=mblaze | FileCheck -check-prefix=FUN %s
+; RUN: llc < %s -march=mblaze -mattr=+div | FileCheck -check-prefix=DIV %s
+
+define i8 @test_i8(i8 %a, i8 %b) {
+ ; FUN: test_i8:
+ ; DIV: test_i8:
+
+ %tmp.1 = udiv i8 %a, %b
+ ; FUN-NOT: idiv
+ ; FUN: brlid
+ ; DIV-NOT: brlid
+ ; DIV: idivu
+
+ %tmp.2 = sdiv i8 %a, %b
+ ; FUN-NOT: idiv
+ ; FUN: brlid
+ ; DIV-NOT: brlid
+ ; DIV-NOT: idivu
+ ; DIV: idiv
+
+ %tmp.3 = add i8 %tmp.1, %tmp.2
+ ret i8 %tmp.3
+ ; FUN: rtsd
+ ; DIV: rtsd
+}
+
+define i16 @test_i16(i16 %a, i16 %b) {
+ ; FUN: test_i16:
+ ; DIV: test_i16:
+
+ %tmp.1 = udiv i16 %a, %b
+ ; FUN-NOT: idiv
+ ; FUN: brlid
+ ; DIV-NOT: brlid
+ ; DIV: idivu
+
+ %tmp.2 = sdiv i16 %a, %b
+ ; FUN-NOT: idiv
+ ; FUN: brlid
+ ; DIV-NOT: brlid
+ ; DIV-NOT: idivu
+ ; DIV: idiv
+
+ %tmp.3 = add i16 %tmp.1, %tmp.2
+ ret i16 %tmp.3
+ ; FUN: rtsd
+ ; DIV: rtsd
+}
+
+define i32 @test_i32(i32 %a, i32 %b) {
+ ; FUN: test_i32:
+ ; DIV: test_i32:
+
+ %tmp.1 = udiv i32 %a, %b
+ ; FUN-NOT: idiv
+ ; FUN: brlid
+ ; DIV-NOT: brlid
+ ; DIV: idivu
+
+ %tmp.2 = sdiv i32 %a, %b
+ ; FUN-NOT: idiv
+ ; FUN: brlid
+ ; DIV-NOT: brlid
+ ; DIV-NOT: idivu
+ ; DIV: idiv
+
+ %tmp.3 = add i32 %tmp.1, %tmp.2
+ ret i32 %tmp.3
+ ; FUN: rtsd
+ ; DIV: rtsd
+}