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llvm-mirror/test/Transforms/ConstraintElimination/geps.ll
Florian Hahn a334ec01fc [ConstraintElimination] Fix variables used for pattern matching. 
Re-using the matched variable in the pattern does not work as expected.
This patch fixes that by introducing a new variable for the 2nd level
match.
2021-02-14 18:42:37 +00:00

703 lines
30 KiB
LLVM
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; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
; RUN: opt -constraint-elimination -S %s | FileCheck %s
define i32 @test.ult(i32* readonly %src, i32* readnone %min, i32* readnone %max) {
; CHECK-LABEL: @test.ult(
; CHECK-NEXT: check.0.min:
; CHECK-NEXT: [[C_MIN_0:%.*]] = icmp ult i32* [[SRC:%.*]], [[MIN:%.*]]
; CHECK-NEXT: br i1 [[C_MIN_0]], label [[TRAP:%.*]], label [[CHECK_0_MAX:%.*]]
; CHECK: trap:
; CHECK-NEXT: ret i32 10
; CHECK: check.0.max:
; CHECK-NEXT: [[C_MAX_0:%.*]] = icmp ult i32* [[SRC]], [[MAX:%.*]]
; CHECK-NEXT: br i1 [[C_MAX_0]], label [[CHECK_3_MIN:%.*]], label [[TRAP]]
; CHECK: check.3.min:
; CHECK-NEXT: [[L0:%.*]] = load i32, i32* [[SRC]], align 4
; CHECK-NEXT: [[ADD_PTR_I36:%.*]] = getelementptr inbounds i32, i32* [[SRC]], i64 3
; CHECK-NEXT: [[C_3_MIN:%.*]] = icmp ult i32* [[ADD_PTR_I36]], [[MIN]]
; CHECK-NEXT: br i1 false, label [[TRAP]], label [[CHECK_3_MAX:%.*]]
; CHECK: check.3.max:
; CHECK-NEXT: [[C_3_MAX:%.*]] = icmp ult i32* [[ADD_PTR_I36]], [[MAX]]
; CHECK-NEXT: br i1 [[C_3_MAX]], label [[CHECK_1_MIN:%.*]], label [[TRAP]]
; CHECK: check.1.min:
; CHECK-NEXT: [[L1:%.*]] = load i32, i32* [[ADD_PTR_I36]], align 4
; CHECK-NEXT: [[ADD_PTR_I29:%.*]] = getelementptr inbounds i32, i32* [[SRC]], i64 1
; CHECK-NEXT: [[C_1_MIN:%.*]] = icmp ult i32* [[ADD_PTR_I29]], [[MIN]]
; CHECK-NEXT: br i1 false, label [[TRAP]], label [[CHECK_1_MAX:%.*]]
; CHECK: check.1.max:
; CHECK-NEXT: [[C_1_MAX:%.*]] = icmp ult i32* [[ADD_PTR_I29]], [[MAX]]
; CHECK-NEXT: br i1 true, label [[CHECK_2_MIN:%.*]], label [[TRAP]]
; CHECK: check.2.min:
; CHECK-NEXT: [[L2:%.*]] = load i32, i32* [[ADD_PTR_I29]], align 4
; CHECK-NEXT: [[ADD_PTR_I:%.*]] = getelementptr inbounds i32, i32* [[SRC]], i64 2
; CHECK-NEXT: [[C_2_MIN:%.*]] = icmp ult i32* [[ADD_PTR_I]], [[MIN]]
; CHECK-NEXT: br i1 false, label [[TRAP]], label [[CHECK_2_MAX:%.*]]
; CHECK: check.2.max:
; CHECK-NEXT: [[C_2_MAX:%.*]] = icmp ult i32* [[ADD_PTR_I]], [[MAX]]
; CHECK-NEXT: br i1 true, label [[EXIT:%.*]], label [[TRAP]]
; CHECK: exit:
; CHECK-NEXT: [[L3:%.*]] = load i32, i32* [[ADD_PTR_I]], align 4
; CHECK-NEXT: [[ADD:%.*]] = add nsw i32 [[L1]], [[L0]]
; CHECK-NEXT: [[ADD8:%.*]] = add nsw i32 [[ADD]], [[L2]]
; CHECK-NEXT: [[ADD9:%.*]] = add nsw i32 [[ADD8]], [[L3]]
; CHECK-NEXT: ret i32 [[ADD9]]
;
check.0.min:
%c.min.0 = icmp ult i32* %src, %min
br i1 %c.min.0, label %trap, label %check.0.max
trap: ; preds = %check.2.max, %check.2.min, %check.1.max, %check.1.min, %check.3.max, %check.3.min, %check.0.max, %check.0.min
ret i32 10
check.0.max: ; preds = %check.0.min
%c.max.0 = icmp ult i32* %src, %max
br i1 %c.max.0, label %check.3.min, label %trap
check.3.min: ; preds = %check.0.max
%l0 = load i32, i32* %src, align 4
%add.ptr.i36 = getelementptr inbounds i32, i32* %src, i64 3
%c.3.min = icmp ult i32* %add.ptr.i36, %min
br i1 %c.3.min, label %trap, label %check.3.max
check.3.max: ; preds = %check.3.min
%c.3.max = icmp ult i32* %add.ptr.i36, %max
br i1 %c.3.max, label %check.1.min, label %trap
check.1.min: ; preds = %check.3.max
%l1 = load i32, i32* %add.ptr.i36, align 4
%add.ptr.i29 = getelementptr inbounds i32, i32* %src, i64 1
%c.1.min = icmp ult i32* %add.ptr.i29, %min
br i1 %c.1.min, label %trap, label %check.1.max
check.1.max: ; preds = %check.1.min
%c.1.max = icmp ult i32* %add.ptr.i29, %max
br i1 %c.1.max, label %check.2.min, label %trap
check.2.min: ; preds = %check.1.max
%l2 = load i32, i32* %add.ptr.i29, align 4
%add.ptr.i = getelementptr inbounds i32, i32* %src, i64 2
%c.2.min = icmp ult i32* %add.ptr.i, %min
br i1 %c.2.min, label %trap, label %check.2.max
check.2.max: ; preds = %check.2.min
%c.2.max = icmp ult i32* %add.ptr.i, %max
br i1 %c.2.max, label %exit, label %trap
exit: ; preds = %check.2.max
%l3 = load i32, i32* %add.ptr.i, align 4
%add = add nsw i32 %l1, %l0
%add8 = add nsw i32 %add, %l2
%add9 = add nsw i32 %add8, %l3
ret i32 %add9
}
; Same as test.ult, but without inbounds.
define i32 @test.ult_no_inbounds(i32* readonly %src, i32* readnone %min, i32* readnone %max) {
; CHECK-LABEL: @test.ult_no_inbounds(
; CHECK-NEXT: check.0.min:
; CHECK-NEXT: [[C_MIN_0:%.*]] = icmp ult i32* [[SRC:%.*]], [[MIN:%.*]]
; CHECK-NEXT: br i1 [[C_MIN_0]], label [[TRAP:%.*]], label [[CHECK_0_MAX:%.*]]
; CHECK: trap:
; CHECK-NEXT: ret i32 10
; CHECK: check.0.max:
; CHECK-NEXT: [[C_MAX_0:%.*]] = icmp ult i32* [[SRC]], [[MAX:%.*]]
; CHECK-NEXT: br i1 [[C_MAX_0]], label [[CHECK_3_MIN:%.*]], label [[TRAP]]
; CHECK: check.3.min:
; CHECK-NEXT: [[L0:%.*]] = load i32, i32* [[SRC]], align 4
; CHECK-NEXT: [[ADD_PTR_I36:%.*]] = getelementptr i32, i32* [[SRC]], i64 3
; CHECK-NEXT: [[C_3_MIN:%.*]] = icmp ult i32* [[ADD_PTR_I36]], [[MIN]]
; CHECK-NEXT: br i1 [[C_3_MIN]], label [[TRAP]], label [[CHECK_3_MAX:%.*]]
; CHECK: check.3.max:
; CHECK-NEXT: [[C_3_MAX:%.*]] = icmp ult i32* [[ADD_PTR_I36]], [[MAX]]
; CHECK-NEXT: br i1 [[C_3_MAX]], label [[CHECK_1_MIN:%.*]], label [[TRAP]]
; CHECK: check.1.min:
; CHECK-NEXT: [[L1:%.*]] = load i32, i32* [[ADD_PTR_I36]], align 4
; CHECK-NEXT: [[ADD_PTR_I29:%.*]] = getelementptr i32, i32* [[SRC]], i64 1
; CHECK-NEXT: [[C_1_MIN:%.*]] = icmp ult i32* [[ADD_PTR_I29]], [[MIN]]
; CHECK-NEXT: br i1 [[C_1_MIN]], label [[TRAP]], label [[CHECK_1_MAX:%.*]]
; CHECK: check.1.max:
; CHECK-NEXT: [[C_1_MAX:%.*]] = icmp ult i32* [[ADD_PTR_I29]], [[MAX]]
; CHECK-NEXT: br i1 [[C_1_MAX]], label [[CHECK_2_MIN:%.*]], label [[TRAP]]
; CHECK: check.2.min:
; CHECK-NEXT: [[L2:%.*]] = load i32, i32* [[ADD_PTR_I29]], align 4
; CHECK-NEXT: [[ADD_PTR_I:%.*]] = getelementptr i32, i32* [[SRC]], i64 2
; CHECK-NEXT: [[C_2_MIN:%.*]] = icmp ult i32* [[ADD_PTR_I]], [[MIN]]
; CHECK-NEXT: br i1 [[C_2_MIN]], label [[TRAP]], label [[CHECK_2_MAX:%.*]]
; CHECK: check.2.max:
; CHECK-NEXT: [[C_2_MAX:%.*]] = icmp ult i32* [[ADD_PTR_I]], [[MAX]]
; CHECK-NEXT: br i1 [[C_2_MAX]], label [[EXIT:%.*]], label [[TRAP]]
; CHECK: exit:
; CHECK-NEXT: [[L3:%.*]] = load i32, i32* [[ADD_PTR_I]], align 4
; CHECK-NEXT: [[ADD:%.*]] = add nsw i32 [[L1]], [[L0]]
; CHECK-NEXT: [[ADD8:%.*]] = add nsw i32 [[ADD]], [[L2]]
; CHECK-NEXT: [[ADD9:%.*]] = add nsw i32 [[ADD8]], [[L3]]
; CHECK-NEXT: ret i32 [[ADD9]]
;
check.0.min:
%c.min.0 = icmp ult i32* %src, %min
br i1 %c.min.0, label %trap, label %check.0.max
trap: ; preds = %check.2.max, %check.2.min, %check.1.max, %check.1.min, %check.3.max, %check.3.min, %check.0.max, %check.0.min
ret i32 10
check.0.max: ; preds = %check.0.min
%c.max.0 = icmp ult i32* %src, %max
br i1 %c.max.0, label %check.3.min, label %trap
check.3.min: ; preds = %check.0.max
%l0 = load i32, i32* %src, align 4
%add.ptr.i36 = getelementptr i32, i32* %src, i64 3
%c.3.min = icmp ult i32* %add.ptr.i36, %min
br i1 %c.3.min, label %trap, label %check.3.max
check.3.max: ; preds = %check.3.min
%c.3.max = icmp ult i32* %add.ptr.i36, %max
br i1 %c.3.max, label %check.1.min, label %trap
check.1.min: ; preds = %check.3.max
%l1 = load i32, i32* %add.ptr.i36, align 4
%add.ptr.i29 = getelementptr i32, i32* %src, i64 1
%c.1.min = icmp ult i32* %add.ptr.i29, %min
br i1 %c.1.min, label %trap, label %check.1.max
check.1.max: ; preds = %check.1.min
%c.1.max = icmp ult i32* %add.ptr.i29, %max
br i1 %c.1.max, label %check.2.min, label %trap
check.2.min: ; preds = %check.1.max
%l2 = load i32, i32* %add.ptr.i29, align 4
%add.ptr.i = getelementptr i32, i32* %src, i64 2
%c.2.min = icmp ult i32* %add.ptr.i, %min
br i1 %c.2.min, label %trap, label %check.2.max
check.2.max: ; preds = %check.2.min
%c.2.max = icmp ult i32* %add.ptr.i, %max
br i1 %c.2.max, label %exit, label %trap
exit: ; preds = %check.2.max
%l3 = load i32, i32* %add.ptr.i, align 4
%add = add nsw i32 %l1, %l0
%add8 = add nsw i32 %add, %l2
%add9 = add nsw i32 %add8, %l3
ret i32 %add9
}
define void @test.not.uge.ult(i8* %start, i8* %low, i8* %high) {
; CHECK-LABEL: @test.not.uge.ult(
; CHECK-NEXT: entry:
; CHECK-NEXT: [[ADD_PTR_I:%.*]] = getelementptr inbounds i8, i8* [[START:%.*]], i64 3
; CHECK-NEXT: [[C_1:%.*]] = icmp uge i8* [[ADD_PTR_I]], [[HIGH:%.*]]
; CHECK-NEXT: br i1 [[C_1]], label [[IF_THEN:%.*]], label [[IF_END:%.*]]
; CHECK: if.then:
; CHECK-NEXT: ret void
; CHECK: if.end:
; CHECK-NEXT: [[T_0:%.*]] = icmp ult i8* [[START]], [[HIGH]]
; CHECK-NEXT: call void @use(i1 true)
; CHECK-NEXT: [[START_1:%.*]] = getelementptr inbounds i8, i8* [[START]], i64 1
; CHECK-NEXT: [[T_1:%.*]] = icmp ult i8* [[START_1]], [[HIGH]]
; CHECK-NEXT: call void @use(i1 true)
; CHECK-NEXT: [[START_2:%.*]] = getelementptr inbounds i8, i8* [[START]], i64 2
; CHECK-NEXT: [[T_2:%.*]] = icmp ult i8* [[START_2]], [[HIGH]]
; CHECK-NEXT: call void @use(i1 true)
; CHECK-NEXT: [[START_3:%.*]] = getelementptr inbounds i8, i8* [[START]], i64 3
; CHECK-NEXT: [[T_3:%.*]] = icmp ult i8* [[START_3]], [[HIGH]]
; CHECK-NEXT: call void @use(i1 true)
; CHECK-NEXT: [[START_4:%.*]] = getelementptr inbounds i8, i8* [[START]], i64 4
; CHECK-NEXT: [[C_4:%.*]] = icmp ult i8* [[START_4]], [[HIGH]]
; CHECK-NEXT: call void @use(i1 [[C_4]])
; CHECK-NEXT: ret void
;
entry:
%add.ptr.i = getelementptr inbounds i8, i8* %start, i64 3
%c.1 = icmp uge i8* %add.ptr.i, %high
br i1 %c.1, label %if.then, label %if.end
if.then: ; preds = %entry
ret void
if.end: ; preds = %entry
%t.0 = icmp ult i8* %start, %high
call void @use(i1 %t.0)
%start.1 = getelementptr inbounds i8, i8* %start, i64 1
%t.1 = icmp ult i8* %start.1, %high
call void @use(i1 %t.1)
%start.2 = getelementptr inbounds i8, i8* %start, i64 2
%t.2 = icmp ult i8* %start.2, %high
call void @use(i1 %t.2)
%start.3 = getelementptr inbounds i8, i8* %start, i64 3
%t.3 = icmp ult i8* %start.3, %high
call void @use(i1 %t.3)
%start.4 = getelementptr inbounds i8, i8* %start, i64 4
%c.4 = icmp ult i8* %start.4, %high
call void @use(i1 %c.4)
ret void
}
; Same as test.not.uge.ult, but without inbounds GEPs.
define void @test.not.uge.ult_no_inbounds(i8* %start, i8* %low, i8* %high) {
; CHECK-LABEL: @test.not.uge.ult_no_inbounds(
; CHECK-NEXT: entry:
; CHECK-NEXT: [[ADD_PTR_I:%.*]] = getelementptr i8, i8* [[START:%.*]], i64 3
; CHECK-NEXT: [[C_1:%.*]] = icmp uge i8* [[ADD_PTR_I]], [[HIGH:%.*]]
; CHECK-NEXT: br i1 [[C_1]], label [[IF_THEN:%.*]], label [[IF_END:%.*]]
; CHECK: if.then:
; CHECK-NEXT: ret void
; CHECK: if.end:
; CHECK-NEXT: [[T_0:%.*]] = icmp ult i8* [[START]], [[HIGH]]
; CHECK-NEXT: call void @use(i1 [[T_0]])
; CHECK-NEXT: [[START_1:%.*]] = getelementptr i8, i8* [[START]], i64 1
; CHECK-NEXT: [[T_1:%.*]] = icmp ult i8* [[START_1]], [[HIGH]]
; CHECK-NEXT: call void @use(i1 [[T_1]])
; CHECK-NEXT: [[START_2:%.*]] = getelementptr i8, i8* [[START]], i64 2
; CHECK-NEXT: [[T_2:%.*]] = icmp ult i8* [[START_2]], [[HIGH]]
; CHECK-NEXT: call void @use(i1 [[T_2]])
; CHECK-NEXT: [[START_3:%.*]] = getelementptr i8, i8* [[START]], i64 3
; CHECK-NEXT: [[T_3:%.*]] = icmp ult i8* [[START_3]], [[HIGH]]
; CHECK-NEXT: call void @use(i1 [[T_3]])
; CHECK-NEXT: [[START_4:%.*]] = getelementptr i8, i8* [[START]], i64 4
; CHECK-NEXT: [[C_4:%.*]] = icmp ult i8* [[START_4]], [[HIGH]]
; CHECK-NEXT: call void @use(i1 [[C_4]])
; CHECK-NEXT: ret void
;
entry:
%add.ptr.i = getelementptr i8, i8* %start, i64 3
%c.1 = icmp uge i8* %add.ptr.i, %high
br i1 %c.1, label %if.then, label %if.end
if.then: ; preds = %entry
ret void
if.end: ; preds = %entry
%t.0 = icmp ult i8* %start, %high
call void @use(i1 %t.0)
%start.1 = getelementptr i8, i8* %start, i64 1
%t.1 = icmp ult i8* %start.1, %high
call void @use(i1 %t.1)
%start.2 = getelementptr i8, i8* %start, i64 2
%t.2 = icmp ult i8* %start.2, %high
call void @use(i1 %t.2)
%start.3 = getelementptr i8, i8* %start, i64 3
%t.3 = icmp ult i8* %start.3, %high
call void @use(i1 %t.3)
%start.4 = getelementptr i8, i8* %start, i64 4
%c.4 = icmp ult i8* %start.4, %high
call void @use(i1 %c.4)
ret void
}
define void @test.not.uge.ule(i8* %start, i8* %low, i8* %high) {
; CHECK-LABEL: @test.not.uge.ule(
; CHECK-NEXT: entry:
; CHECK-NEXT: [[ADD_PTR_I:%.*]] = getelementptr inbounds i8, i8* [[START:%.*]], i64 3
; CHECK-NEXT: [[C_1:%.*]] = icmp uge i8* [[ADD_PTR_I]], [[HIGH:%.*]]
; CHECK-NEXT: br i1 [[C_1]], label [[IF_THEN:%.*]], label [[IF_END:%.*]]
; CHECK: if.then:
; CHECK-NEXT: ret void
; CHECK: if.end:
; CHECK-NEXT: [[T_0:%.*]] = icmp ule i8* [[START]], [[HIGH]]
; CHECK-NEXT: call void @use(i1 true)
; CHECK-NEXT: [[START_1:%.*]] = getelementptr inbounds i8, i8* [[START]], i64 1
; CHECK-NEXT: [[T_1:%.*]] = icmp ule i8* [[START_1]], [[HIGH]]
; CHECK-NEXT: call void @use(i1 true)
; CHECK-NEXT: [[START_2:%.*]] = getelementptr inbounds i8, i8* [[START]], i64 2
; CHECK-NEXT: [[T_2:%.*]] = icmp ule i8* [[START_2]], [[HIGH]]
; CHECK-NEXT: call void @use(i1 true)
; CHECK-NEXT: [[START_3:%.*]] = getelementptr inbounds i8, i8* [[START]], i64 3
; CHECK-NEXT: [[T_3:%.*]] = icmp ule i8* [[START_3]], [[HIGH]]
; CHECK-NEXT: call void @use(i1 true)
; CHECK-NEXT: [[START_4:%.*]] = getelementptr inbounds i8, i8* [[START]], i64 4
; CHECK-NEXT: [[T_4:%.*]] = icmp ule i8* [[START_4]], [[HIGH]]
; CHECK-NEXT: call void @use(i1 true)
; CHECK-NEXT: [[START_5:%.*]] = getelementptr inbounds i8, i8* [[START]], i64 5
; CHECK-NEXT: [[C_5:%.*]] = icmp ule i8* [[START_5]], [[HIGH]]
; CHECK-NEXT: call void @use(i1 [[C_5]])
; CHECK-NEXT: ret void
;
entry:
%add.ptr.i = getelementptr inbounds i8, i8* %start, i64 3
%c.1 = icmp uge i8* %add.ptr.i, %high
br i1 %c.1, label %if.then, label %if.end
if.then: ; preds = %entry
ret void
if.end: ; preds = %entry
%t.0 = icmp ule i8* %start, %high
call void @use(i1 %t.0)
%start.1 = getelementptr inbounds i8, i8* %start, i64 1
%t.1 = icmp ule i8* %start.1, %high
call void @use(i1 %t.1)
%start.2 = getelementptr inbounds i8, i8* %start, i64 2
%t.2 = icmp ule i8* %start.2, %high
call void @use(i1 %t.2)
%start.3 = getelementptr inbounds i8, i8* %start, i64 3
%t.3 = icmp ule i8* %start.3, %high
call void @use(i1 %t.3)
%start.4 = getelementptr inbounds i8, i8* %start, i64 4
%t.4 = icmp ule i8* %start.4, %high
call void @use(i1 %t.4)
%start.5 = getelementptr inbounds i8, i8* %start, i64 5
%c.5 = icmp ule i8* %start.5, %high
call void @use(i1 %c.5)
ret void
}
define void @test.not.uge.ugt(i8* %start, i8* %low, i8* %high) {
; CHECK-LABEL: @test.not.uge.ugt(
; CHECK-NEXT: entry:
; CHECK-NEXT: [[ADD_PTR_I:%.*]] = getelementptr inbounds i8, i8* [[START:%.*]], i64 3
; CHECK-NEXT: [[C_1:%.*]] = icmp uge i8* [[ADD_PTR_I]], [[HIGH:%.*]]
; CHECK-NEXT: br i1 [[C_1]], label [[IF_THEN:%.*]], label [[IF_END:%.*]]
; CHECK: if.then:
; CHECK-NEXT: ret void
; CHECK: if.end:
; CHECK-NEXT: [[F_0:%.*]] = icmp ugt i8* [[START]], [[HIGH]]
; CHECK-NEXT: call void @use(i1 false)
; CHECK-NEXT: [[START_1:%.*]] = getelementptr inbounds i8, i8* [[START]], i64 1
; CHECK-NEXT: [[F_1:%.*]] = icmp ugt i8* [[START_1]], [[HIGH]]
; CHECK-NEXT: call void @use(i1 false)
; CHECK-NEXT: [[START_2:%.*]] = getelementptr inbounds i8, i8* [[START]], i64 2
; CHECK-NEXT: [[F_2:%.*]] = icmp ugt i8* [[START_2]], [[HIGH]]
; CHECK-NEXT: call void @use(i1 false)
; CHECK-NEXT: [[START_3:%.*]] = getelementptr inbounds i8, i8* [[START]], i64 3
; CHECK-NEXT: [[F_3:%.*]] = icmp ugt i8* [[START_3]], [[HIGH]]
; CHECK-NEXT: call void @use(i1 false)
; CHECK-NEXT: [[START_4:%.*]] = getelementptr inbounds i8, i8* [[START]], i64 4
; CHECK-NEXT: [[F_4:%.*]] = icmp ugt i8* [[START_4]], [[HIGH]]
; CHECK-NEXT: call void @use(i1 false)
; CHECK-NEXT: [[START_5:%.*]] = getelementptr inbounds i8, i8* [[START]], i64 5
; CHECK-NEXT: [[C_5:%.*]] = icmp ugt i8* [[START_5]], [[HIGH]]
; CHECK-NEXT: call void @use(i1 [[C_5]])
; CHECK-NEXT: ret void
;
entry:
%add.ptr.i = getelementptr inbounds i8, i8* %start, i64 3
%c.1 = icmp uge i8* %add.ptr.i, %high
br i1 %c.1, label %if.then, label %if.end
if.then: ; preds = %entry
ret void
if.end: ; preds = %entry
%f.0 = icmp ugt i8* %start, %high
call void @use(i1 %f.0)
%start.1 = getelementptr inbounds i8, i8* %start, i64 1
%f.1 = icmp ugt i8* %start.1, %high
call void @use(i1 %f.1)
%start.2 = getelementptr inbounds i8, i8* %start, i64 2
%f.2 = icmp ugt i8* %start.2, %high
call void @use(i1 %f.2)
%start.3 = getelementptr inbounds i8, i8* %start, i64 3
%f.3 = icmp ugt i8* %start.3, %high
call void @use(i1 %f.3)
%start.4 = getelementptr inbounds i8, i8* %start, i64 4
%f.4 = icmp ugt i8* %start.4, %high
call void @use(i1 %f.4)
%start.5 = getelementptr inbounds i8, i8* %start, i64 5
%c.5 = icmp ugt i8* %start.5, %high
call void @use(i1 %c.5)
ret void
}
define void @test.not.uge.uge(i8* %start, i8* %low, i8* %high) {
; CHECK-LABEL: @test.not.uge.uge(
; CHECK-NEXT: entry:
; CHECK-NEXT: [[ADD_PTR_I:%.*]] = getelementptr inbounds i8, i8* [[START:%.*]], i64 3
; CHECK-NEXT: [[C_1:%.*]] = icmp uge i8* [[ADD_PTR_I]], [[HIGH:%.*]]
; CHECK-NEXT: br i1 [[C_1]], label [[IF_THEN:%.*]], label [[IF_END:%.*]]
; CHECK: if.then:
; CHECK-NEXT: ret void
; CHECK: if.end:
; CHECK-NEXT: [[F_0:%.*]] = icmp ugt i8* [[START]], [[HIGH]]
; CHECK-NEXT: call void @use(i1 false)
; CHECK-NEXT: [[START_1:%.*]] = getelementptr inbounds i8, i8* [[START]], i64 1
; CHECK-NEXT: [[F_1:%.*]] = icmp uge i8* [[START_1]], [[HIGH]]
; CHECK-NEXT: call void @use(i1 false)
; CHECK-NEXT: [[START_2:%.*]] = getelementptr inbounds i8, i8* [[START]], i64 2
; CHECK-NEXT: [[F_2:%.*]] = icmp uge i8* [[START_2]], [[HIGH]]
; CHECK-NEXT: call void @use(i1 false)
; CHECK-NEXT: [[START_3:%.*]] = getelementptr inbounds i8, i8* [[START]], i64 3
; CHECK-NEXT: [[F_3:%.*]] = icmp uge i8* [[START_3]], [[HIGH]]
; CHECK-NEXT: call void @use(i1 false)
; CHECK-NEXT: [[START_4:%.*]] = getelementptr inbounds i8, i8* [[START]], i64 4
; CHECK-NEXT: [[C_4:%.*]] = icmp uge i8* [[START_4]], [[HIGH]]
; CHECK-NEXT: call void @use(i1 [[C_4]])
; CHECK-NEXT: [[START_5:%.*]] = getelementptr inbounds i8, i8* [[START]], i64 5
; CHECK-NEXT: [[C_5:%.*]] = icmp uge i8* [[START_5]], [[HIGH]]
; CHECK-NEXT: call void @use(i1 [[C_5]])
; CHECK-NEXT: ret void
;
entry:
%add.ptr.i = getelementptr inbounds i8, i8* %start, i64 3
%c.1 = icmp uge i8* %add.ptr.i, %high
br i1 %c.1, label %if.then, label %if.end
if.then: ; preds = %entry
ret void
if.end: ; preds = %entry
%f.0 = icmp ugt i8* %start, %high
call void @use(i1 %f.0)
%start.1 = getelementptr inbounds i8, i8* %start, i64 1
%f.1 = icmp uge i8* %start.1, %high
call void @use(i1 %f.1)
%start.2 = getelementptr inbounds i8, i8* %start, i64 2
%f.2 = icmp uge i8* %start.2, %high
call void @use(i1 %f.2)
%start.3 = getelementptr inbounds i8, i8* %start, i64 3
%f.3 = icmp uge i8* %start.3, %high
call void @use(i1 %f.3)
%start.4 = getelementptr inbounds i8, i8* %start, i64 4
%c.4 = icmp uge i8* %start.4, %high
call void @use(i1 %c.4)
%start.5 = getelementptr inbounds i8, i8* %start, i64 5
%c.5 = icmp uge i8* %start.5, %high
call void @use(i1 %c.5)
ret void
}
define void @test.not.uge.uge.nonconst(i8* %start, i8* %low, i8* %high, i64 %off) {
; CHECK-LABEL: @test.not.uge.uge.nonconst(
; CHECK-NEXT: entry:
; CHECK-NEXT: [[ADD_PTR_I:%.*]] = getelementptr inbounds i8, i8* [[START:%.*]], i64 [[OFF:%.*]]
; CHECK-NEXT: [[C_1:%.*]] = icmp uge i8* [[ADD_PTR_I]], [[HIGH:%.*]]
; CHECK-NEXT: br i1 [[C_1]], label [[IF_THEN:%.*]], label [[IF_END:%.*]]
; CHECK: if.then:
; CHECK-NEXT: [[START_OFF_2:%.*]] = getelementptr inbounds i8, i8* [[START]], i64 [[OFF]]
; CHECK-NEXT: [[T_0:%.*]] = icmp uge i8* [[START_OFF_2]], [[HIGH]]
; CHECK-NEXT: call void @use(i1 true)
; CHECK-NEXT: ret void
; CHECK: if.end:
; CHECK-NEXT: [[START_1:%.*]] = getelementptr inbounds i8, i8* [[START]], i64 1
; CHECK-NEXT: [[C_0:%.*]] = icmp uge i8* [[START_1]], [[HIGH]]
; CHECK-NEXT: call void @use(i1 [[C_0]])
; CHECK-NEXT: [[START_OFF:%.*]] = getelementptr inbounds i8, i8* [[START]], i64 [[OFF]]
; CHECK-NEXT: [[F_0:%.*]] = icmp uge i8* [[START_OFF]], [[HIGH]]
; CHECK-NEXT: call void @use(i1 false)
; CHECK-NEXT: ret void
;
entry:
%add.ptr.i = getelementptr inbounds i8, i8* %start, i64 %off
%c.1 = icmp uge i8* %add.ptr.i, %high
br i1 %c.1, label %if.then, label %if.end
if.then: ; preds = %entry
%start.off.2 = getelementptr inbounds i8, i8* %start, i64 %off
%t.0 = icmp uge i8* %start.off.2, %high
call void @use(i1 %t.0)
ret void
if.end: ; preds = %entry
%start.1 = getelementptr inbounds i8, i8* %start, i64 1
%c.0 = icmp uge i8* %start.1, %high
call void @use(i1 %c.0)
%start.off = getelementptr inbounds i8, i8* %start, i64 %off
%f.0 = icmp uge i8* %start.off, %high
call void @use(i1 %f.0)
ret void
}
; Test which requires decomposing GEP %ptr, SHL().
define void @test.ult.gep.shl(i32* readonly %src, i32* readnone %max, i32 %idx) {
; CHECK-LABEL: @test.ult.gep.shl(
; CHECK-NEXT: check.0.min:
; CHECK-NEXT: [[ADD_10:%.*]] = getelementptr inbounds i32, i32* [[SRC:%.*]], i32 10
; CHECK-NEXT: [[C_ADD_10_MAX:%.*]] = icmp ugt i32* [[ADD_10]], [[MAX:%.*]]
; CHECK-NEXT: br i1 [[C_ADD_10_MAX]], label [[TRAP:%.*]], label [[CHECK_IDX:%.*]]
; CHECK: trap:
; CHECK-NEXT: ret void
; CHECK: check.idx:
; CHECK-NEXT: [[CMP:%.*]] = icmp ult i32 [[IDX:%.*]], 5
; CHECK-NEXT: br i1 [[CMP]], label [[CHECK_MAX:%.*]], label [[TRAP]]
; CHECK: check.max:
; CHECK-NEXT: [[IDX_SHL_1:%.*]] = shl nuw i32 [[IDX]], 1
; CHECK-NEXT: [[ADD_PTR_SHL_1:%.*]] = getelementptr inbounds i32, i32* [[SRC]], i32 [[IDX_SHL_1]]
; CHECK-NEXT: [[C_MAX_0:%.*]] = icmp ult i32* [[ADD_PTR_SHL_1]], [[MAX]]
; CHECK-NEXT: call void @use(i1 true)
; CHECK-NEXT: [[IDX_SHL_2:%.*]] = shl nuw i32 [[IDX]], 2
; CHECK-NEXT: [[ADD_PTR_SHL_2:%.*]] = getelementptr inbounds i32, i32* [[SRC]], i32 [[IDX_SHL_2]]
; CHECK-NEXT: [[C_MAX_1:%.*]] = icmp ult i32* [[ADD_PTR_SHL_2]], [[MAX]]
; CHECK-NEXT: call void @use(i1 [[C_MAX_1]])
; CHECK-NEXT: [[IDX_SHL_NOT_NUW:%.*]] = shl i32 [[IDX]], 1
; CHECK-NEXT: [[ADD_PTR_SHL_NOT_NUW:%.*]] = getelementptr inbounds i32, i32* [[SRC]], i32 [[IDX_SHL_NOT_NUW]]
; CHECK-NEXT: [[C_MAX_2:%.*]] = icmp ult i32* [[ADD_PTR_SHL_NOT_NUW]], [[MAX]]
; CHECK-NEXT: call void @use(i1 [[C_MAX_2]])
; CHECK-NEXT: [[IDX_SHL_3:%.*]] = shl nuw i32 [[IDX]], 3
; CHECK-NEXT: [[ADD_PTR_SHL_3:%.*]] = getelementptr inbounds i32, i32* [[SRC]], i32 [[IDX_SHL_3]]
; CHECK-NEXT: [[C_MAX_3:%.*]] = icmp ult i32* [[ADD_PTR_SHL_3]], [[MAX]]
; CHECK-NEXT: call void @use(i1 [[C_MAX_3]])
; CHECK-NEXT: ret void
;
check.0.min:
%add.10 = getelementptr inbounds i32, i32* %src, i32 10
%c.add.10.max = icmp ugt i32* %add.10, %max
br i1 %c.add.10.max, label %trap, label %check.idx
trap:
ret void
check.idx: ; preds = %check.0.min
%cmp = icmp ult i32 %idx, 5
br i1 %cmp, label %check.max, label %trap
check.max: ; preds = %check.0.min
%idx.shl.1 = shl nuw i32 %idx, 1
%add.ptr.shl.1 = getelementptr inbounds i32, i32* %src, i32 %idx.shl.1
%c.max.0 = icmp ult i32* %add.ptr.shl.1, %max
call void @use(i1 %c.max.0)
%idx.shl.2 = shl nuw i32 %idx, 2
%add.ptr.shl.2 = getelementptr inbounds i32, i32* %src, i32 %idx.shl.2
%c.max.1 = icmp ult i32* %add.ptr.shl.2, %max
call void @use(i1 %c.max.1)
%idx.shl.not.nuw = shl i32 %idx, 1
%add.ptr.shl.not.nuw = getelementptr inbounds i32, i32* %src, i32 %idx.shl.not.nuw
%c.max.2 = icmp ult i32* %add.ptr.shl.not.nuw, %max
call void @use(i1 %c.max.2)
%idx.shl.3 = shl nuw i32 %idx, 3
%add.ptr.shl.3 = getelementptr inbounds i32, i32* %src, i32 %idx.shl.3
%c.max.3 = icmp ult i32* %add.ptr.shl.3, %max
call void @use(i1 %c.max.3)
ret void
}
; Test which requires decomposing GEP %ptr, ZEXT(SHL()).
define void @test.ult.gep.shl.zext(i32* readonly %src, i32* readnone %max, i32 %idx, i32 %j) {
; CHECK-LABEL: @test.ult.gep.shl.zext(
; CHECK-NEXT: check.0.min:
; CHECK-NEXT: [[ADD_10:%.*]] = getelementptr inbounds i32, i32* [[SRC:%.*]], i32 10
; CHECK-NEXT: [[C_ADD_10_MAX:%.*]] = icmp ugt i32* [[ADD_10]], [[MAX:%.*]]
; CHECK-NEXT: br i1 [[C_ADD_10_MAX]], label [[TRAP:%.*]], label [[CHECK_IDX:%.*]]
; CHECK: trap:
; CHECK-NEXT: ret void
; CHECK: check.idx:
; CHECK-NEXT: [[CMP:%.*]] = icmp ult i32 [[IDX:%.*]], 5
; CHECK-NEXT: br i1 [[CMP]], label [[CHECK_MAX:%.*]], label [[TRAP]]
; CHECK: check.max:
; CHECK-NEXT: [[IDX_SHL:%.*]] = shl nuw i32 [[IDX]], 1
; CHECK-NEXT: [[EXT_1:%.*]] = zext i32 [[IDX_SHL]] to i64
; CHECK-NEXT: [[ADD_PTR_SHL:%.*]] = getelementptr inbounds i32, i32* [[SRC]], i64 [[EXT_1]]
; CHECK-NEXT: [[C_MAX_0:%.*]] = icmp ult i32* [[ADD_PTR_SHL]], [[MAX]]
; CHECK-NEXT: call void @use(i1 true)
; CHECK-NEXT: [[IDX_SHL_NOT_NUW:%.*]] = shl i32 [[IDX]], 1
; CHECK-NEXT: [[EXT_2:%.*]] = zext i32 [[IDX_SHL_NOT_NUW]] to i64
; CHECK-NEXT: [[ADD_PTR_SHL_NOT_NUW:%.*]] = getelementptr inbounds i32, i32* [[SRC]], i64 [[EXT_2]]
; CHECK-NEXT: [[C_MAX_1:%.*]] = icmp ult i32* [[ADD_PTR_SHL_NOT_NUW]], [[MAX]]
; CHECK-NEXT: call void @use(i1 [[C_MAX_1]])
; CHECK-NEXT: [[IDX_SHL_3:%.*]] = shl nuw i32 [[IDX]], 2
; CHECK-NEXT: [[EXT_3:%.*]] = zext i32 [[IDX_SHL_3]] to i64
; CHECK-NEXT: [[ADD_PTR_SHL_3:%.*]] = getelementptr inbounds i32, i32* [[SRC]], i64 [[EXT_3]]
; CHECK-NEXT: [[C_MAX_2:%.*]] = icmp ult i32* [[ADD_PTR_SHL_3]], [[MAX]]
; CHECK-NEXT: call void @use(i1 [[C_MAX_2]])
; CHECK-NEXT: ret void
;
check.0.min:
%add.10 = getelementptr inbounds i32, i32* %src, i32 10
%c.add.10.max = icmp ugt i32* %add.10, %max
br i1 %c.add.10.max, label %trap, label %check.idx
trap:
ret void
check.idx: ; preds = %check.0.min
%cmp = icmp ult i32 %idx, 5
br i1 %cmp, label %check.max, label %trap
check.max: ; preds = %check.0.min
%idx.shl = shl nuw i32 %idx, 1
%ext.1 = zext i32 %idx.shl to i64
%add.ptr.shl = getelementptr inbounds i32, i32* %src, i64 %ext.1
%c.max.0 = icmp ult i32* %add.ptr.shl, %max
call void @use(i1 %c.max.0)
%idx.shl.not.nuw = shl i32 %idx, 1
%ext.2 = zext i32 %idx.shl.not.nuw to i64
%add.ptr.shl.not.nuw = getelementptr inbounds i32, i32* %src, i64 %ext.2
%c.max.1 = icmp ult i32* %add.ptr.shl.not.nuw, %max
call void @use(i1 %c.max.1)
%idx.shl.3 = shl nuw i32 %idx, 2
%ext.3 = zext i32 %idx.shl.3 to i64
%add.ptr.shl.3 = getelementptr inbounds i32, i32* %src, i64 %ext.3
%c.max.2 = icmp ult i32* %add.ptr.shl.3, %max
call void @use(i1 %c.max.2)
ret void
}
; Make sure non-constant shift amounts are handled correctly.
define i1 @test.ult.gep.shl.nonconst.zext(i16 %B, i16* readonly %src, i16* readnone %max, i16 %idx, i16 %j) {
; CHECK-LABEL: @test.ult.gep.shl.nonconst.zext(
; CHECK-NEXT: check.0.min:
; CHECK-NEXT: [[ADD_10:%.*]] = getelementptr inbounds i16, i16* [[SRC:%.*]], i16 10
; CHECK-NEXT: [[C_ADD_10_MAX:%.*]] = icmp ugt i16* [[ADD_10]], [[MAX:%.*]]
; CHECK-NEXT: br i1 [[C_ADD_10_MAX]], label [[EXIT_1:%.*]], label [[CHECK_IDX:%.*]]
; CHECK: exit.1:
; CHECK-NEXT: ret i1 true
; CHECK: check.idx:
; CHECK-NEXT: [[CMP:%.*]] = icmp ult i16 [[IDX:%.*]], 5
; CHECK-NEXT: br i1 [[CMP]], label [[CHECK_MAX:%.*]], label [[TRAP:%.*]]
; CHECK: check.max:
; CHECK-NEXT: [[IDX_SHL:%.*]] = shl nuw i16 [[IDX]], [[B:%.*]]
; CHECK-NEXT: [[EXT:%.*]] = zext i16 [[IDX_SHL]] to i64
; CHECK-NEXT: [[ADD_PTR_SHL:%.*]] = getelementptr inbounds i16, i16* [[SRC]], i64 [[EXT]]
; CHECK-NEXT: [[C_MAX:%.*]] = icmp ult i16* [[ADD_PTR_SHL]], [[MAX]]
; CHECK-NEXT: ret i1 [[C_MAX]]
; CHECK: trap:
; CHECK-NEXT: [[IDX_SHL_1:%.*]] = shl nuw i16 [[IDX]], [[B]]
; CHECK-NEXT: [[EXT_1:%.*]] = zext i16 [[IDX_SHL_1]] to i64
; CHECK-NEXT: [[ADD_PTR_SHL_1:%.*]] = getelementptr inbounds i16, i16* [[SRC]], i64 [[EXT_1]]
; CHECK-NEXT: [[C_MAX_1:%.*]] = icmp ult i16* [[ADD_PTR_SHL_1]], [[MAX]]
; CHECK-NEXT: ret i1 [[C_MAX_1]]
;
check.0.min:
%add.10 = getelementptr inbounds i16, i16* %src, i16 10
%c.add.10.max = icmp ugt i16* %add.10, %max
br i1 %c.add.10.max, label %exit.1, label %check.idx
exit.1:
ret i1 true
check.idx: ; preds = %check.0.min
%cmp = icmp ult i16 %idx, 5
br i1 %cmp, label %check.max, label %trap
check.max: ; preds = %check.idx
%idx.shl = shl nuw i16 %idx, %B
%ext = zext i16 %idx.shl to i64
%add.ptr.shl = getelementptr inbounds i16, i16* %src, i64 %ext
%c.max = icmp ult i16* %add.ptr.shl, %max
ret i1 %c.max
trap: ; preds = %check.idx, %check.0.min
%idx.shl.1 = shl nuw i16 %idx, %B
%ext.1 = zext i16 %idx.shl.1 to i64
%add.ptr.shl.1 = getelementptr inbounds i16, i16* %src, i64 %ext.1
%c.max.1 = icmp ult i16* %add.ptr.shl.1, %max
ret i1 %c.max.1
}
declare void @use(i1)
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