211 lines
6.7 KiB
LLVM
211 lines
6.7 KiB
LLVM
; RUN: opt -mtriple=thumbv8.1m.main-none-none-eabi -mattr=+fp-armv8 -hardware-loops %s -S -o - | FileCheck %s --check-prefix=CHECK --check-prefix=CHECK-FP
|
|
; RUN: opt -mtriple=thumbv8.1m.main-none-none-eabi -mattr=+soft-float -hardware-loops %s -S -o - | FileCheck %s --check-prefix=CHECK --check-prefix=CHECK-SOFT
|
|
|
|
; CHECK-LABEL: test_fptosi
|
|
; CHECK-SOFT-NOT: call i32 @llvm.start.loop.iterations
|
|
|
|
; CHECK: entry:
|
|
; CHECK-FP: [[CMP:%[^ ]+]] = icmp ugt i32 %n, 1
|
|
; CHECK-FP: [[COUNT:%[^ ]+]] = select i1 [[CMP]], i32 %n, i32 1
|
|
|
|
; CHECK: while.body.lr.ph:
|
|
; CHECK-FP: [[START:%[^ ]+]] = call i32 @llvm.start.loop.iterations.i32(i32 [[COUNT]])
|
|
; CHECK-FP-NEXT: br label %while.body
|
|
|
|
; CHECK-FP: [[REM:%[^ ]+]] = phi i32 [ [[START]], %while.body.lr.ph ], [ [[LOOP_DEC:%[^ ]+]], %if.end4 ]
|
|
; CHECK-FP: [[LOOP_DEC]] = call i32 @llvm.loop.decrement.reg.i32(i32 [[REM]], i32 1)
|
|
; CHECK-FP: [[CMP:%[^ ]+]] = icmp ne i32 [[LOOP_DEC]], 0
|
|
; CHECK-FP: br i1 [[CMP]], label %while.body, label %cleanup.loopexit
|
|
|
|
define void @test_fptosi(i32 %n, i32** %g, double** %d) {
|
|
entry:
|
|
%n.off = add i32 %n, -1
|
|
%0 = icmp ult i32 %n.off, 500
|
|
br i1 %0, label %while.body.lr.ph, label %cleanup
|
|
|
|
while.body.lr.ph:
|
|
%1 = load double*, double** %d, align 4
|
|
%2 = load i32*, i32** %g, align 4
|
|
br label %while.body
|
|
|
|
while.body:
|
|
%i.012 = phi i32 [ 0, %while.body.lr.ph ], [ %inc, %if.end4 ]
|
|
%rem = urem i32 %i.012, 10
|
|
%tobool = icmp eq i32 %rem, 0
|
|
br i1 %tobool, label %if.end4, label %if.then2
|
|
|
|
if.then2:
|
|
%arrayidx = getelementptr inbounds double, double* %1, i32 %i.012
|
|
%3 = load double, double* %arrayidx, align 8
|
|
%conv = fptosi double %3 to i32
|
|
%arrayidx3 = getelementptr inbounds i32, i32* %2, i32 %i.012
|
|
store i32 %conv, i32* %arrayidx3, align 4
|
|
br label %if.end4
|
|
|
|
if.end4:
|
|
%inc = add nuw i32 %i.012, 1
|
|
%cmp1 = icmp ult i32 %inc, %n
|
|
br i1 %cmp1, label %while.body, label %cleanup.loopexit
|
|
|
|
cleanup.loopexit:
|
|
br label %cleanup
|
|
|
|
cleanup:
|
|
ret void
|
|
}
|
|
|
|
; CHECK-LABEL: test_fptoui
|
|
; CHECK: entry:
|
|
; CHECK-FP: [[CMP:%[^ ]+]] = icmp ugt i32 %n, 1
|
|
; CHECK-FP: [[COUNT:%[^ ]+]] = select i1 [[CMP]], i32 %n, i32 1
|
|
; CHECK-FP: while.body.lr.ph:
|
|
; CHECK-FP: [[START:%[^ ]+]] = call i32 @llvm.start.loop.iterations.i32(i32 [[COUNT]])
|
|
; CHECK-FP-NEXT: br label %while.body
|
|
|
|
; CHECK-FP: [[REM:%[^ ]+]] = phi i32 [ [[START]], %while.body.lr.ph ], [ [[LOOP_DEC:%[^ ]+]], %if.end4 ]
|
|
; CHECK-FP: [[LOOP_DEC]] = call i32 @llvm.loop.decrement.reg.i32(i32 [[REM]], i32 1)
|
|
; CHECK-FP: [[CMP:%[^ ]+]] = icmp ne i32 [[LOOP_DEC]], 0
|
|
; CHECK-FP: br i1 [[CMP]], label %while.body, label %cleanup.loopexit
|
|
|
|
; CHECK-SOFT-NOT: call i32 @llvm.start.loop.iterations
|
|
|
|
define void @test_fptoui(i32 %n, i32** %g, double** %d) {
|
|
entry:
|
|
%n.off = add i32 %n, -1
|
|
%0 = icmp ult i32 %n.off, 500
|
|
br i1 %0, label %while.body.lr.ph, label %cleanup
|
|
|
|
while.body.lr.ph:
|
|
%1 = load double*, double** %d, align 4
|
|
%2 = load i32*, i32** %g, align 4
|
|
br label %while.body
|
|
|
|
while.body:
|
|
%i.012 = phi i32 [ 0, %while.body.lr.ph ], [ %inc, %if.end4 ]
|
|
%rem = urem i32 %i.012, 10
|
|
%tobool = icmp eq i32 %rem, 0
|
|
br i1 %tobool, label %if.end4, label %if.then2
|
|
|
|
if.then2:
|
|
%arrayidx = getelementptr inbounds double, double* %1, i32 %i.012
|
|
%3 = load double, double* %arrayidx, align 8
|
|
%conv = fptoui double %3 to i32
|
|
%arrayidx3 = getelementptr inbounds i32, i32* %2, i32 %i.012
|
|
store i32 %conv, i32* %arrayidx3, align 4
|
|
br label %if.end4
|
|
|
|
if.end4:
|
|
%inc = add nuw i32 %i.012, 1
|
|
%cmp1 = icmp ult i32 %inc, %n
|
|
br i1 %cmp1, label %while.body, label %cleanup.loopexit
|
|
|
|
cleanup.loopexit:
|
|
br label %cleanup
|
|
|
|
cleanup:
|
|
ret void
|
|
}
|
|
|
|
; CHECK-LABEL: load_store_float
|
|
; CHECK: entry:
|
|
; CHECK: [[CMP:%[^ ]+]] = icmp ugt i32 %n, 1
|
|
; CHECK: [[COUNT:%[^ ]+]] = select i1 [[CMP]], i32 %n, i32 1
|
|
; CHECK: while.body.lr.ph:
|
|
; CHECK: [[START:%[^ ]+]] = call i32 @llvm.start.loop.iterations.i32(i32 [[COUNT]])
|
|
; CHECK-NEXT: br label %while.body
|
|
|
|
; CHECK: [[REM:%[^ ]+]] = phi i32 [ [[START]], %while.body.lr.ph ], [ [[LOOP_DEC:%[^ ]+]], %if.end4 ]
|
|
; CHECK: [[LOOP_DEC]] = call i32 @llvm.loop.decrement.reg.i32(i32 [[REM]], i32 1)
|
|
; CHECK: [[CMP:%[^ ]+]] = icmp ne i32 [[LOOP_DEC]], 0
|
|
; CHECK: br i1 [[CMP]], label %while.body, label %cleanup.loopexit
|
|
|
|
define void @load_store_float(i32 %n, double** %d, double** %g) {
|
|
entry:
|
|
%n.off = add i32 %n, -1
|
|
%0 = icmp ult i32 %n.off, 500
|
|
br i1 %0, label %while.body.lr.ph, label %cleanup
|
|
|
|
while.body.lr.ph:
|
|
%1 = load double*, double** %d, align 4
|
|
%2 = load double*, double** %g, align 4
|
|
br label %while.body
|
|
|
|
while.body:
|
|
%i.012 = phi i32 [ 0, %while.body.lr.ph ], [ %inc, %if.end4 ]
|
|
%rem = urem i32 %i.012, 10
|
|
%tobool = icmp eq i32 %rem, 0
|
|
br i1 %tobool, label %if.end4, label %if.then2
|
|
|
|
if.then2:
|
|
%arrayidx = getelementptr inbounds double, double* %1, i32 %i.012
|
|
%3 = load double, double* %arrayidx, align 8
|
|
%arrayidx3 = getelementptr inbounds double, double* %2, i32 %i.012
|
|
store double %3, double* %arrayidx3, align 8
|
|
br label %if.end4
|
|
|
|
if.end4:
|
|
%inc = add nuw i32 %i.012, 1
|
|
%cmp1 = icmp ult i32 %inc, %n
|
|
br i1 %cmp1, label %while.body, label %cleanup.loopexit
|
|
|
|
cleanup.loopexit:
|
|
br label %cleanup
|
|
|
|
cleanup:
|
|
ret void
|
|
}
|
|
|
|
; CHECK-LABEL: fp_add
|
|
; CHECK-SOFT-NOT: call i32 @llvm.start.loop.iterations
|
|
; CHECK: entry:
|
|
; CHECK-FP: [[CMP:%[^ ]+]] = icmp ugt i32 %n, 1
|
|
; CHECK-FP: [[COUNT:%[^ ]+]] = select i1 [[CMP]], i32 %n, i32 1
|
|
; CHECK: while.body.lr.ph:
|
|
; CHECK-FP: [[START:%[^ ]+]] = call i32 @llvm.start.loop.iterations.i32(i32 [[COUNT]])
|
|
; CHECK: br label %while.body
|
|
|
|
; CHECK-SOFT-NOT: call i32 @llvm.loop.decrement
|
|
|
|
; CHECK-FP: [[REM:%[^ ]+]] = phi i32 [ [[START]], %while.body.lr.ph ], [ [[LOOP_DEC:%[^ ]+]], %if.end4 ]
|
|
; CHECK-FP: [[LOOP_DEC]] = call i32 @llvm.loop.decrement.reg.i32(i32 [[REM]], i32 1)
|
|
; CHECK-FP: [[CMP:%[^ ]+]] = icmp ne i32 [[LOOP_DEC]], 0
|
|
; CHECK-FP: br i1 [[CMP]], label %while.body, label %cleanup.loopexit
|
|
|
|
define void @fp_add(i32 %n, float** %d, float** %g) {
|
|
entry:
|
|
%n.off = add i32 %n, -1
|
|
%0 = icmp ult i32 %n.off, 500
|
|
br i1 %0, label %while.body.lr.ph, label %cleanup
|
|
|
|
while.body.lr.ph:
|
|
%1 = load float*, float** %d, align 4
|
|
%2 = load float*, float** %g, align 4
|
|
br label %while.body
|
|
|
|
while.body:
|
|
%i.012 = phi i32 [ 0, %while.body.lr.ph ], [ %inc, %if.end4 ]
|
|
%rem = urem i32 %i.012, 10
|
|
%tobool = icmp eq i32 %rem, 0
|
|
br i1 %tobool, label %if.end4, label %if.then2
|
|
|
|
if.then2:
|
|
%arrayidx = getelementptr inbounds float, float* %1, i32 %i.012
|
|
%3 = load float, float* %arrayidx, align 4
|
|
%arrayidx3 = getelementptr inbounds float, float* %2, i32 %i.012
|
|
%4 = load float, float* %arrayidx3, align 4
|
|
%add = fadd float %3, %4
|
|
store float %add, float* %arrayidx3, align 4
|
|
br label %if.end4
|
|
|
|
if.end4:
|
|
%inc = add nuw i32 %i.012, 1
|
|
%cmp1 = icmp ult i32 %inc, %n
|
|
br i1 %cmp1, label %while.body, label %cleanup.loopexit
|
|
|
|
cleanup.loopexit:
|
|
br label %cleanup
|
|
|
|
cleanup:
|
|
ret void
|
|
}
|