[llvm-commits] CVS: llvm/test/Transforms/InstCombine/APInt/elim-logicalops.ll shift-simplify.ll shift.ll
Reid Spencer
reid at x10sys.com
Fri Mar 23 14:58:04 PDT 2007
Changes in directory llvm/test/Transforms/InstCombine/APInt:
elim-logicalops.ll added (r1.1)
shift-simplify.ll added (r1.1)
shift.ll added (r1.1)
---
Log message:
Add more test cases for APIntified InstCombine.
---
Diffs of the changes: (+255 -0)
elim-logicalops.ll | 40 +++++++++++
shift-simplify.ll | 23 ++++++
shift.ll | 192 +++++++++++++++++++++++++++++++++++++++++++++++++++++
3 files changed, 255 insertions(+)
Index: llvm/test/Transforms/InstCombine/APInt/elim-logicalops.ll
diff -c /dev/null llvm/test/Transforms/InstCombine/APInt/elim-logicalops.ll:1.1
*** /dev/null Fri Mar 23 16:57:57 2007
--- llvm/test/Transforms/InstCombine/APInt/elim-logicalops.ll Fri Mar 23 16:57:47 2007
***************
*** 0 ****
--- 1,40 ----
+ ; Test that elimination of logical operators works with
+ ; arbitrary precision integers.
+
+ ; RUN: llvm-as < %s | opt -instcombine -disable-output &&
+ ; RUN: llvm-as < %s | opt -instcombine | llvm-dis | \
+ ; RUN: not grep '(and\|xor\|add\|shl\|shr)'
+
+ define i33 @test1(i33 %x) {
+ %tmp.1 = and i33 %x, 65535 ; <i33> [#uses=1]
+ %tmp.2 = xor i33 %tmp.1, -32768 ; <i33> [#uses=1]
+ %tmp.3 = add i33 %tmp.2, 32768 ; <i33> [#uses=1]
+ ret i33 %tmp.3
+ }
+
+ define i33 @test2(i33 %x) {
+ %tmp.1 = and i33 %x, 65535 ; <i33> [#uses=1]
+ %tmp.2 = xor i33 %tmp.1, 32768 ; <i33> [#uses=1]
+ %tmp.3 = add i33 %tmp.2, -32768 ; <i33> [#uses=1]
+ ret i33 %tmp.3
+ }
+
+ define i33 @test3(i16 %P) {
+ %tmp.1 = zext i16 %P to i33 ; <i33> [#uses=1]
+ %tmp.4 = xor i33 %tmp.1, 32768 ; <i33> [#uses=1]
+ %tmp.5 = add i33 %tmp.4, -32768 ; <i33> [#uses=1]
+ ret i33 %tmp.5
+ }
+
+ define i33 @test5(i33 %x) {
+ %tmp.1 = and i33 %x, 254
+ %tmp.2 = xor i33 %tmp.1, 128
+ %tmp.3 = add i33 %tmp.2, -128
+ ret i33 %tmp.3
+ }
+
+ define i33 @test6(i33 %x) {
+ %tmp.2 = shl i33 %x, 16 ; <i33> [#uses=1]
+ %tmp.4 = lshr i33 %tmp.2, 16 ; <i33> [#uses=1]
+ ret i33 %tmp.4
+ }
Index: llvm/test/Transforms/InstCombine/APInt/shift-simplify.ll
diff -c /dev/null llvm/test/Transforms/InstCombine/APInt/shift-simplify.ll:1.1
*** /dev/null Fri Mar 23 16:58:04 2007
--- llvm/test/Transforms/InstCombine/APInt/shift-simplify.ll Fri Mar 23 16:57:47 2007
***************
*** 0 ****
--- 1,23 ----
+ ; RUN: llvm-as < %s | opt -instcombine | llvm-dis | \
+ ; RUN: egrep 'shl|lshr|ashr' | wc -l | grep 3
+
+ define i41 @test0(i41 %A, i41 %B, i41 %C) {
+ %X = shl i41 %A, %C
+ %Y = shl i41 %B, %C
+ %Z = and i41 %X, %Y
+ ret i41 %Z
+ }
+
+ define i57 @test1(i57 %A, i57 %B, i57 %C) {
+ %X = lshr i57 %A, %C
+ %Y = lshr i57 %B, %C
+ %Z = or i57 %X, %Y
+ ret i57 %Z
+ }
+
+ define i49 @test2(i49 %A, i49 %B, i49 %C) {
+ %X = ashr i49 %A, %C
+ %Y = ashr i49 %B, %C
+ %Z = xor i49 %X, %Y
+ ret i49 %Z
+ }
Index: llvm/test/Transforms/InstCombine/APInt/shift.ll
diff -c /dev/null llvm/test/Transforms/InstCombine/APInt/shift.ll:1.1
*** /dev/null Fri Mar 23 16:58:04 2007
--- llvm/test/Transforms/InstCombine/APInt/shift.ll Fri Mar 23 16:57:47 2007
***************
*** 0 ****
--- 1,192 ----
+ ; This test makes sure that shit instructions are properly eliminated
+ ; even with arbitrary precision integers.
+
+ ; RUN: llvm-as < %s | opt -instcombine -disable-output &&
+ ; RUN: llvm-as < %s | opt -instcombine | llvm-dis | not grep sh
+
+ define i47 @test1(i47 %A) {
+ %B = shl i47 %A, 0 ; <i47> [#uses=1]
+ ret i47 %B
+ }
+
+ define i41 @test2(i7 %X) {
+ %A = zext i7 %X to i41 ; <i41> [#uses=1]
+ %B = shl i41 0, %A ; <i41> [#uses=1]
+ ret i41 %B
+ }
+
+ define i41 @test3(i41 %A) {
+ %B = ashr i41 %A, 0 ; <i41> [#uses=1]
+ ret i41 %B
+ }
+
+ define i39 @test4(i7 %X) {
+ %A = zext i7 %X to i39 ; <i39> [#uses=1]
+ %B = ashr i39 0, %A ; <i39> [#uses=1]
+ ret i39 %B
+ }
+
+ define i55 @test5(i55 %A) {
+ %B = lshr i55 %A, 55 ; <i55> [#uses=1]
+ ret i55 %B
+ }
+
+ define i32 @test5a(i32 %A) {
+ %B = shl i32 %A, 32 ; <i32> [#uses=1]
+ ret i32 %B
+ }
+
+ define i55 @test6(i55 %A) {
+ %B = shl i55 %A, 1 ; <i55> [#uses=1]
+ %C = mul i55 %B, 3 ; <i55> [#uses=1]
+ ret i55 %C
+ }
+
+ define i29 @test7(i8 %X) {
+ %A = zext i8 %X to i29 ; <i29> [#uses=1]
+ %B = ashr i29 -1, %A ; <i29> [#uses=1]
+ ret i29 %B
+ }
+
+ define i7 @test8(i7 %A) {
+ %B = shl i7 %A, 4 ; <i7> [#uses=1]
+ %C = shl i7 %B, 3 ; <i7> [#uses=1]
+ ret i7 %C
+ }
+
+ define i17 @test9(i17 %A) {
+ %B = shl i17 %A, 16 ; <i17> [#uses=1]
+ %C = lshr i17 %B, 16 ; <i17> [#uses=1]
+ ret i17 %C
+ }
+
+ define i19 @test10(i19 %A) {
+ %B = lshr i19 %A, 18 ; <i19> [#uses=1]
+ %C = shl i19 %B, 18 ; <i19> [#uses=1]
+ ret i19 %C
+ }
+
+ define i23 @test11(i23 %A) {
+ %a = mul i23 %A, 3 ; <i23> [#uses=1]
+ %B = lshr i23 %a, 11 ; <i23> [#uses=1]
+ %C = shl i23 %B, 12 ; <i23> [#uses=1]
+ ret i23 %C
+ }
+
+ define i47 @test12(i47 %A) {
+ %B = ashr i47 %A, 8 ; <i47> [#uses=1]
+ %C = shl i47 %B, 8 ; <i47> [#uses=1]
+ ret i47 %C
+ }
+
+ define i18 @test13(i18 %A) {
+ %a = mul i18 %A, 3 ; <i18> [#uses=1]
+ %B = ashr i18 %a, 8 ; <i18> [#uses=1]
+ %C = shl i18 %B, 9 ; <i18> [#uses=1]
+ ret i18 %C
+ }
+
+ define i35 @test14(i35 %A) {
+ %B = lshr i35 %A, 4 ; <i35> [#uses=1]
+ %C = or i35 %B, 1234 ; <i35> [#uses=1]
+ %D = shl i35 %C, 4 ; <i35> [#uses=1]
+ ret i35 %D
+ }
+
+ define i79 @test14a(i79 %A) {
+ %B = shl i79 %A, 4 ; <i79> [#uses=1]
+ %C = and i79 %B, 1234 ; <i79> [#uses=1]
+ %D = lshr i79 %C, 4 ; <i79> [#uses=1]
+ ret i79 %D
+ }
+
+ define i45 @test15(i1 %C) {
+ %A = select i1 %C, i45 3, i45 1 ; <i45> [#uses=1]
+ %V = shl i45 %A, 2 ; <i45> [#uses=1]
+ ret i45 %V
+ }
+
+ define i53 @test15a(i1 %X) {
+ %A = select i1 %X, i8 3, i8 1 ; <i8> [#uses=1]
+ %B = zext i8 %A to i53 ; <i53> [#uses=1]
+ %V = shl i53 64, %B ; <i53> [#uses=1]
+ ret i53 %V
+ }
+
+ define i1 @test16(i84 %X) {
+ %tmp.3 = ashr i84 %X, 4 ; <i84> [#uses=1]
+ %tmp.6 = and i84 %tmp.3, 1 ; <i84> [#uses=1]
+ %tmp.7 = icmp ne i84 %tmp.6, 0 ; <i1> [#uses=1]
+ ret i1 %tmp.7
+ }
+
+ define i1 @test17(i106 %A) {
+ %B = lshr i106 %A, 3 ; <i106> [#uses=1]
+ %C = icmp eq i106 %B, 1234 ; <i1> [#uses=1]
+ ret i1 %C
+ }
+
+ define i1 @test18(i11 %A) {
+ %B = lshr i11 %A, 10 ; <i11> [#uses=1]
+ %C = icmp eq i11 %B, 123 ; <i1> [#uses=1]
+ ret i1 %C
+ }
+
+ define i1 @test19(i37 %A) {
+ %B = ashr i37 %A, 2 ; <i37> [#uses=1]
+ %C = icmp eq i37 %B, 0 ; <i1> [#uses=1]
+ ret i1 %C
+ }
+
+ define i1 @test19a(i39 %A) {
+ %B = ashr i39 %A, 2 ; <i39> [#uses=1]
+ %C = icmp eq i39 %B, -1 ; <i1> [#uses=1]
+ ret i1 %C
+ }
+
+ define i1 @test20(i13 %A) {
+ %B = ashr i13 %A, 12 ; <i13> [#uses=1]
+ %C = icmp eq i13 %B, 123 ; <i1> [#uses=1]
+ ret i1 %C
+ }
+
+ define i1 @test21(i12 %A) {
+ %B = shl i12 %A, 6 ; <i12> [#uses=1]
+ %C = icmp eq i12 %B, -128 ; <i1> [#uses=1]
+ ret i1 %C
+ }
+
+ define i1 @test22(i14 %A) {
+ %B = shl i14 %A, 7 ; <i14> [#uses=1]
+ %C = icmp eq i14 %B, 0 ; <i1> [#uses=1]
+ ret i1 %C
+ }
+
+ define i11 @test23(i44 %A) {
+ %B = shl i44 %A, 33 ; <i44> [#uses=1]
+ %C = ashr i44 %B, 33 ; <i44> [#uses=1]
+ %D = trunc i44 %C to i11 ; <i8> [#uses=1]
+ ret i11 %D
+ }
+
+ define i17 @test24(i17 %X) {
+ %Y = and i17 %X, -5 ; <i17> [#uses=1]
+ %Z = shl i17 %Y, 9 ; <i17> [#uses=1]
+ %Q = ashr i17 %Z, 9 ; <i17> [#uses=1]
+ ret i17 %Q
+ }
+
+ define i37 @test25(i37 %tmp.2, i37 %AA) {
+ %x = lshr i37 %AA, 17 ; <i37> [#uses=1]
+ %tmp.3 = lshr i37 %tmp.2, 17 ; <i37> [#uses=1]
+ %tmp.5 = add i37 %tmp.3, %x ; <i37> [#uses=1]
+ %tmp.6 = shl i37 %tmp.5, 17 ; <i37> [#uses=1]
+ ret i37 %tmp.6
+ }
+
+ define i40 @test26(i40 %A) {
+ %B = lshr i40 %A, 1 ; <i40> [#uses=1]
+ %C = bitcast i40 %B to i40 ; <i40> [#uses=1]
+ %D = shl i40 %C, 1 ; <i40> [#uses=1]
+ ret i40 %D
+ }
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