OSchip
/
llvm-project
mirror of https://github.com/THU-DSP-LAB/llvm-project.git
13
0
Fork 6
Code Issues Packages Projects Releases Wiki Activity

[InstCombine] add tests for missing vector icmp folds 

llvm-svn: 278757
This commit is contained in:
Sanjay Patel 2016-08-15 22:43:52 +00:00
parent 375f71e3a3
commit df77a4dbb0
1 changed files with 72 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

72
llvm/test/Transforms/InstCombine/icmp.ll
View File

@ -1466,6 +1466,18 @@ define i1 @icmp_shl_1_V_ult_32(i32 %V) {
ret i1 %cmp
}
; FIXME: Vectors should fold too.
define <2 x i1> @icmp_shl_1_V_ult_32_vec(<2 x i32> %V) {
; CHECK-LABEL: @icmp_shl_1_V_ult_32_vec(
; CHECK-NEXT: [[SHL:%.*]] = shl <2 x i32> <i32 1, i32 1>, %V
; CHECK-NEXT: [[CMP:%.*]] = icmp ult <2 x i32> [[SHL]], <i32 32, i32 32>
; CHECK-NEXT: ret <2 x i1> [[CMP]]
;
%shl = shl <2 x i32> <i32 1, i32 1>, %V
%cmp = icmp ult <2 x i32> %shl, <i32 32, i32 32>
ret <2 x i1> %cmp
}
define i1 @icmp_shl_1_V_eq_32(i32 %V) {
; CHECK-LABEL: @icmp_shl_1_V_eq_32(
; CHECK-NEXT: [[CMP:%.*]] = icmp eq i32 %V, 5
@ -1476,6 +1488,18 @@ define i1 @icmp_shl_1_V_eq_32(i32 %V) {
ret i1 %cmp
}
; FIXME: Vectors should fold too.
define <2 x i1> @icmp_shl_1_V_eq_32_vec(<2 x i32> %V) {
; CHECK-LABEL: @icmp_shl_1_V_eq_32_vec(
; CHECK-NEXT: [[SHL:%.*]] = shl <2 x i32> <i32 1, i32 1>, %V
; CHECK-NEXT: [[CMP:%.*]] = icmp eq <2 x i32> [[SHL]], <i32 32, i32 32>
; CHECK-NEXT: ret <2 x i1> [[CMP]]
;
%shl = shl <2 x i32> <i32 1, i32 1>, %V
%cmp = icmp eq <2 x i32> %shl, <i32 32, i32 32>
ret <2 x i1> %cmp
}
define i1 @icmp_shl_1_V_ult_30(i32 %V) {
; CHECK-LABEL: @icmp_shl_1_V_ult_30(
; CHECK-NEXT: [[CMP:%.*]] = icmp ult i32 %V, 5
@ -1486,6 +1510,18 @@ define i1 @icmp_shl_1_V_ult_30(i32 %V) {
ret i1 %cmp
}
; FIXME: Vectors should fold too.
define <2 x i1> @icmp_shl_1_V_ult_30_vec(<2 x i32> %V) {
; CHECK-LABEL: @icmp_shl_1_V_ult_30_vec(
; CHECK-NEXT: [[SHL:%.*]] = shl <2 x i32> <i32 1, i32 1>, %V
; CHECK-NEXT: [[CMP:%.*]] = icmp ult <2 x i32> [[SHL]], <i32 30, i32 30>
; CHECK-NEXT: ret <2 x i1> [[CMP]]
;
%shl = shl <2 x i32> <i32 1, i32 1>, %V
%cmp = icmp ult <2 x i32> %shl, <i32 30, i32 30>
ret <2 x i1> %cmp
}
define i1 @icmp_shl_1_V_ugt_30(i32 %V) {
; CHECK-LABEL: @icmp_shl_1_V_ugt_30(
; CHECK-NEXT: [[CMP:%.*]] = icmp ugt i32 %V, 4
@ -1496,6 +1532,18 @@ define i1 @icmp_shl_1_V_ugt_30(i32 %V) {
ret i1 %cmp
}
; FIXME: Vectors should fold too.
define <2 x i1> @icmp_shl_1_V_ugt_30_vec(<2 x i32> %V) {
; CHECK-LABEL: @icmp_shl_1_V_ugt_30_vec(
; CHECK-NEXT: [[SHL:%.*]] = shl <2 x i32> <i32 1, i32 1>, %V
; CHECK-NEXT: [[CMP:%.*]] = icmp ugt <2 x i32> [[SHL]], <i32 30, i32 30>
; CHECK-NEXT: ret <2 x i1> [[CMP]]
;
%shl = shl <2 x i32> <i32 1, i32 1>, %V
%cmp = icmp ugt <2 x i32> %shl, <i32 30, i32 30>
ret <2 x i1> %cmp
}
define i1 @icmp_shl_1_V_ule_30(i32 %V) {
; CHECK-LABEL: @icmp_shl_1_V_ule_30(
; CHECK-NEXT: [[CMP:%.*]] = icmp ult i32 %V, 5
@ -1506,6 +1554,18 @@ define i1 @icmp_shl_1_V_ule_30(i32 %V) {
ret i1 %cmp
}
; FIXME: Vectors should fold too.
define <2 x i1> @icmp_shl_1_V_ule_30_vec(<2 x i32> %V) {
; CHECK-LABEL: @icmp_shl_1_V_ule_30_vec(
; CHECK-NEXT: [[SHL:%.*]] = shl <2 x i32> <i32 1, i32 1>, %V
; CHECK-NEXT: [[CMP:%.*]] = icmp ult <2 x i32> [[SHL]], <i32 31, i32 31>
; CHECK-NEXT: ret <2 x i1> [[CMP]]
;
%shl = shl <2 x i32> <i32 1, i32 1>, %V
%cmp = icmp ule <2 x i32> %shl, <i32 30, i32 30>
ret <2 x i1> %cmp
}
define i1 @icmp_shl_1_V_uge_30(i32 %V) {
; CHECK-LABEL: @icmp_shl_1_V_uge_30(
; CHECK-NEXT: [[CMP:%.*]] = icmp ugt i32 %V, 4
@ -1516,6 +1576,18 @@ define i1 @icmp_shl_1_V_uge_30(i32 %V) {
ret i1 %cmp
}
; FIXME: Vectors should fold too.
define <2 x i1> @icmp_shl_1_V_uge_30_vec(<2 x i32> %V) {
; CHECK-LABEL: @icmp_shl_1_V_uge_30_vec(
; CHECK-NEXT: [[SHL:%.*]] = shl <2 x i32> <i32 1, i32 1>, %V
; CHECK-NEXT: [[CMP:%.*]] = icmp ugt <2 x i32> [[SHL]], <i32 29, i32 29>
; CHECK-NEXT: ret <2 x i1> [[CMP]]
;
%shl = shl <2 x i32> <i32 1, i32 1>, %V
%cmp = icmp uge <2 x i32> %shl, <i32 30, i32 30>
ret <2 x i1> %cmp
}
define i1 @icmp_shl_1_V_uge_2147483648(i32 %V) {
; CHECK-LABEL: @icmp_shl_1_V_uge_2147483648(
; CHECK-NEXT: [[CMP:%.*]] = icmp eq i32 %V, 31